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K&N 1.25in Flange ID x 3in OD x 2.5in H Rubber Base Crankcase Vent Filter
$20.99
Enhance your engine's performance with the K&N crankcase vent filter (model 62-1390). Designed for racing applications, vintage cars, and anyone who values a mix of performance and classic style, this filter provides high-performance venting with a focus on reliability and easy installation. It easily pushes onto the existing rubber breather grommets, ensuring a hassle-free upgrade for your carbureted engine.Key Features & Specifications
Dimensions & Fit:• 2.5-inch tall design with a 3-inch outer diameter and a 1.25-inch flange for a secure, no-fuss installation.
Premium Materials:• Features a K&N embossed chrome-plated steel top paired with a durable black rubber base for lasting performance.
Reusable Design:• Made with non-woven synthetic filter media that can be easily cleaned and reused, saving you time and money.
Optimized for Performance:• Perfect for high-performance venting in racing vehicles and vintage cars, offering both enhanced looks and functionality.
Experience a blend of performance and style with this meticulously engineered vent filter from K&N Engineering. Whether you're a dedicated racer or a vintage car enthusiast, this filter ensures efficient engine breathing while complementing your vehicle's classic look.Note: Legal in California only for racing vehicles; they may not be used, registered, or licensed for highway use. For CARB status details, please visit knfilters.com.Explore more quality parts in our K&N Engineering collection.
K&N 1.25in Flange ID x 3in OD x 2.5 inch H Rubber Base Crankcase Vent Filter
$36.99
Experience enhanced engine performance with our K&N crankcase vent filter designed for racing enthusiasts and vintage car lovers. This filter is engineered to boost acceleration and horsepower while offering durability and ease of maintenance, making it the perfect upgrade for your performance vehicle.Key Benefits
Enhanced airflow efficiency for improved engine performance.
Cost-effective, reusable design with washable cotton filter media.
Includes a pre-oiled 14.79 mL pillow-pack to ensure optimal filtering right out of the box.
Secure clamp-on installation provides a snug, leak-free fit on your vent tube.
Technical Details
Height: 2.5 inches
Outside Diameter: 3 inches
Flange Inside Diameter: 1.25 inches
Materials: Features a robust black rubber top and base paired with high-quality cotton media for superior airflow.
Installation & MaintenanceEasily install the filter with its designed clamp-on mechanism that fits perfectly onto the vent tube. After use, simply clean the cotton media for repeated, reliable performance, providing a long-term upgrade for your engine’s efficiency.Usage & Legal NoticeThis K&N rubber base filter is ideal for high-performance racing applications, vintage car displays, and off-highway use. Please note that in California, this product is legal only for racing vehicles and must not be registered or licensed for highway use. For detailed CARB status, refer to knfilters.com.Discover more performance parts in our Filters collection or explore our dedicated K&N Engineering offerings.
K&N 3/4 inch ID 2 inch OD 1.5 inch H Clamp On Crankcase Vent Filter
$62.99
Enhance your engine’s performance and style with a precision-engineered crankcase vent filter designed for racing applications, classic cars, and aesthetic upgrades. This product features exact dimensions of a 3/4-inch internal diameter, 2-inch outer diameter, and a 1.5-inch clamp height, ensuring a perfect fit and optimal venting for both metal and plastic tubing.Key Features
K&N embossed chrome-plated steel top paired with a sleek black rubber base for a premium look.
3/4-inch zinc tube engineered for a push-in, secure clamp-on installation.
Non-woven synthetic filter media built for easy cleaning and consistent, long-lasting efficiency.
Precisely measured dimensions that set it apart from generic vent filters, improving engine airflow and performance.
Why It WorksThis filter is crafted not only for superior functionality but also to enhance the overall appearance of your classic, carbureted engine. Its design promotes improved intake efficiency and contributes to enhanced engine longevity, making it a practical choice for automotive enthusiasts and professionals alike. Discover more about K&N products by exploring our K&N Engineering collection.Please note: Legal in California only for racing vehicles, which may never be used, registered, or licensed for highway use. For CARB status and additional compatibility details, visit knfilters.com.
K&N Clamp On Rubber Base Crankcase Vent Filter 0.5in Flange ID 2in OD 1.5in Height
$36.99
Experience high performance with the K&N Clamp On Rubber Base Crankcase Vent Filter – a precision-engineered solution designed for racing applications, vintage cars, and classic carbureted engines. This filter blends durability, style, and efficiency to provide exceptional venting performance, ensuring your engine stays clean and responsive.Key Features
0.5-inch clamp-on flange for a secure, tool-free installation on metal or plastic tubing
K&N embossed chrome-plated steel top for enhanced durability and a distinctive look
Sturdy black rubber base that creates a reliable seal in demanding conditions
Made with synthetic filter media that is washable and reusable
Precision-engineered zinc tube design contributing up to 99% overall filter efficiency
Specifications
Flange Diameter: 0.5 inches
Outside Diameter: 2 inches
Overall Height: 1.5 inches
Top Construction: Chrome-plated steel with K&N embossing
Base Material: Black rubber
Clamp Design: Zinc tube engineered for a secure attachment
Upgrade your setup today with this high-performance vent filter and experience improved engine efficiency. For those who value quality and precision, this is the ideal enhancement.Note: Legal in California only for racing vehicles – these filters must never be used, registered, or licensed for highway use. For more performance parts, explore our Filters Collection or check out our K&N Engineering range.
K&N Clamp On Rubber Base Crankcase Vent Filter 0.375in Flange ID x 2in OD x 1.5in Height
$31.99
Experience enhanced engine performance and a refined appearance with the K&N crankcase vent filter, engineered for racing applications, vintage cars, and classic carbureted engines. This premium rubber-base crankcase vent filter combines functionality with aesthetics—perfect for automotive enthusiasts who demand reliable, stylish parts.Key Specifications
Flange Inside Diameter: 0.375 inches
Outside Diameter: 2 inches
Height: 1.5 inches
Design: Clamp-on fit for metal or plastic tubing
Construction: Features a K&N embossed chrome-plated steel top over a durable black rubber base with synthetic filter media that is cleanable and reusable
Warranty: Covered under K&N’s One Year Limited Warranty
Product Benefits
Boosts engine performance while delivering a sleek look
Ideal for high-performance racing vehicles and vintage classic setups
Quick and easy installation with its clamp-on design for immediate use
Please note that this component is legally approved in California only for racing vehicles and must never be registered or licensed for highway use. For more K&N products and related filters, visit the K&N Engineering collection.Purchase K&N crankcase vent filters with confidence, knowing you are investing in quality, durability, and a design tailored to the specific needs of both hobbyists and professional drivers. Enjoy the combination of performance and longevity that this filter brings to your classic engine setup.
K&N Crankcase Vent Filter
$36.99
Experience the perfect fusion of high-performance engineering and classic design with the K&N 62-1170 crankcase vent filter. Designed for both racing applications and vintage carbureted engines, this filter offers premium quality for performance enthusiasts and those looking to add a touch of style to their classic vehicles. Featuring a simple push-in design for quick installation, it securely clamps to metal or plastic tubing to ensure optimal venting and consistent performance. Benefit from its washable, reusable non-woven synthetic filter media, which delivers long-lasting durability and effective filtration for everything from high-performance racing vehicles to show-stopping vintage rides.Key Features• Embossed chrome-plated steel top for a distinctive, stylish appearance• Chrome-plated steel base for robust construction and dependable performance• 1-inch zinc tube proudly supporting a “K&N filter 1in vent” design• Engineered for both racing performance and vintage carbureted enginesDetailed Specifications• Vent Diameter: 1 inch for precise airflow control• Overall Diameter: 3 inches, offering a “3in diameter air filter” profile• Height: 2 inches, perfectly aligning with the “2in height K&N filter” standard• Washable and reusable design for enhanced longevity and cost efficiency• Note: Legal in California only for unrated racing vehicles which are never to be used, registered, or licensed on public highways. For further details, please see the CARB status on knfilters.com.Discover more K&N products in our K&N Engineering collection and explore our extensive range of filters to suit your vehicle's needs.
K&N Chrome Crankcase Vent Filter
$31.99
This high-performance crankcase vent filter is engineered for racing, vintage vehicles, and enthusiasts who value both efficiency and classic style. Built with precision, it improves airflow while delivering durable, long-lasting filtration for your carbureted engine.Key Features• K&N embossed chrome-plated steel top and base for a striking finish• 3/4 inch zinc tube construction designed to securely push in and clamp to both metal and plastic tubing• Cleanable and reusable non-woven synthetic filter media that delivers consistent performance• Optimized for high-demand racing applications and vintage car setupsInstallation & Compatibility• Simple push-in design and clamp-on method ensure a secure fit• Ideal for vintage carbureted engines and custom high-performance setups• Designed for both metal and plastic venting applications, offering versatile installation optionsPlease note that this product is legal in California exclusively for racing vehicles, which must never be used, registered, or licensed for highway operation. For additional filter options and premium parts, visit our Filters collection.Upgrade your setup with this K&N crankcase vent filter for improved airflow, enhanced performance, and long-term durability.
K&N Steel Base Chrome Top Crankcase Vent Filter 3/4in OD Vent / 2in OD / 1-1/2in H Stud Mount
$55.99
Engineered for performance and durability, this K&N crankcase vent filter is designed to meet the demanding needs of racing applications, classic vehicles, and performance enthusiasts alike. Its rugged construction makes it an essential upgrade if you're looking to boost your vehicle's aesthetics and functionality.Key Features
Premium design featuring a chrome-top crankcase vent filter with a steel base for added durability.
Secure, push-in mounting system using a 1-1/2in H stud mount filter, ensuring a tight fit on both metal and plastic tubing.
Constructed with a 3/4in OD vent filter zinc tube that maintains consistent performance under high-demand conditions.
Uses washable cotton gauze media, allowing for repeated cleaning and reuse to keep performance at its peak.
Shipped with a 14.79 milliliter pillow-pack of air filter oil for optimal upkeep.
Product Details
Model: 62-1120
Mounting: 1-1/2in H stud mount for secure attachment
Dimensions: 3/4in OD vent filter; additional variants include 2in OD vent filters for select applications.
Materials: Chrome-plated steel base and top, zinc tube body, and high-quality cotton gauze filter media
Usage & Legal InformationThis high-performance filter is engineered for fast-paced conditions while remaining simple to maintain. For best results, simply clean and re-oil the cotton media as needed. Note that it is legal in California only for racing vehicles and must never be used, registered, or licensed for highway use. For more detailed compliance information and additional performance parts, please visit our K&N Engineering collection.
K&N Steel Base Crankcase Vent Filter 0.5in Vent OD x 2in OD x 1.5in Height
$20.99
Experience high-performance ventilation for your racing, vintage, or performance build with the K&N Steel Base Crankcase Vent Filter. Designed for outstanding durability and hassle-free installation, this premium filter offers reliable venting while ensuring efficient engine operation. Perfect for enthusiasts looking to upgrade or maintain a classic carbureted engine, it’s a smart choice for enhancing your vehicle’s performance.Technical Specifications• Vent Outside Diameter: 0.5 in (13 mm)• Overall Outside Diameter: 2 in (51 mm)• Height: 1.5 in (38 mm)• Materials: Chrome-plated steel base, zinc vent tube, non-woven synthetic filter media• Mounting Stud: IncludedKey Features• One-Piece Steel Base Design: Sturdy construction for increased durability.• Push-In Mounting: Clamps securely onto metal or plastic tubing for quick installation.• Reusable Filter Media: Easily cleaned and reused, providing ongoing, cost-effective performance.Installation & CompatibilityDesigned for versatility, this filter offers both direct push-in mounting and remote stud installation with vent hoses and clamps. Its precise 0.5-inch vent OD ensures optimal compatibility with standard engine configurations, making it a dependable upgrade for both vintage and modern performance applications.Legal & Usage DisclaimerThis product is legal in California for racing vehicles only and must never be used, registered, or licensed for highway use. Always check CARB status for your specific vehicle application.For more premium K&N parts, visit our K&N Engineering collection.
K&N Steel Base Crankcase Vent Filter 3/8in OD Tube 2in OD 1-1/2in Height
$20.99
Experience the exceptional performance of the K&N Steel Base Crankcase Vent Filter, crafted for racing applications, classic automobiles, and enthusiasts who demand both quality and style. Engineered to deliver optimal airflow and outstanding durability, this filter is the perfect choice for anyone looking to upgrade or maintain their vintage carbureted engines. Enjoy hassle-free installation with a secure push-in clamp system that fits seamlessly on both metal and plastic tubing.Specifications
Dimensions: 3/8 inch OD tube, approximately 2 inches overall diameter, and 1-1/2 inches in height.
Materials: Constructed with a chrome-plated steel base and top, complemented by a rugged zinc tube.
Filter Media: Non-woven synthetic filter media designed for repeated cleaning and reuse.
Mounting: Equipped with a mounting stud featuring a push-in/clamp design that ensures a secure attachment.
This K&N Crankcase Vent Filter not only boosts your engine’s performance by ensuring clean and efficient venting, but it also stands out visually, making it a popular choice among racers and classic vehicle collectors alike. With its premium build quality and reliability, you can confidently purchase and install this filter for a competition-ready setup. Check out our Filters collection for more innovative solutions and explore our K&N Engineering range for additional performance upgrades.Legal Note: Legal in California only for racing vehicles, which may never be used, registered, or licensed for highway use. For CARB status on each part and further details, please visit knfilters.com.
K&N Steel Base Crankcase Vent Filter .75in Vent OD x 2in OD x 1.5in Height
$36.99
This K&N crankcase vent filter delivers outstanding performance and style for racing, vintage, and performance-enhancing applications. Designed for both metal and plastic tubing, it offers a secure, simple push-in clamp installation. Whether you're upgrading a classic carbureted engine or fine-tuning a race vehicle, this filter exceeds expectations with its superior construction and durability.Product Features
Vent OD: 0.75 in
Overall OD: 2 in
Height: 1.5 in
Features a K&N embossed rubber top paired with a chrome-plated steel base
Constructed with a zinc tube and equipped with synthetic, washable, and reusable filter media
Secure push-in clamp design ensures a tight fit on both metal and plastic tubing
Enhances aesthetics while supporting optimal engine venting
Technical Specifications
Flange & Mounting: Engineered for a direct push-in clamp on compatible tubing
Material Composition: High-grade zinc tube integrated with synthetic filter media
Performance: Improves engine efficiency and longevity by maintaining consistent crankcase venting
This filter not only meets the technical demands of modern engines but also offers a visually appealing upgrade that complements vintage styles. Benefit from enhanced durability and performance with the reliable precision of a K&N crankcase vent filter. Note: This product is legal in California only for racing vehicles that are not used, registered, or licensed for highway use. Explore more K&N innovations in our K&N Engineering and Filters collections to boost your vehicle's performance.
K&N Steel Base Crankcase Vent Filter .625in Vent OD x 2in OD x 1.5in Height
$36.99
Experience the enhanced performance and unmatched style of this K&N Steel Base Crankcase Vent Filter – perfect for racing applications and vintage vehicle enthusiasts. Designed with precision, this K&N vent filter not only delivers superior airflow but also adds a classic touch to your carbureted engine setup. Purchase today to boost your racing performance or complete your vintage restoration project.Key Specifications• Vent Outside Diameter: 0.625 in• Overall Outside Diameter: 2 in• Height: 1.5 in• Base Material: Chrome-plated steel• Tube Material: Zinc• Filter Media: Synthetic, washable, and reusableInstallation & CompatibilityThis vent filter is engineered for a secure fit and can be easily clamped onto metal or plastic tubing. The integrated design features a K&N embossed rubber top, which ensures a tight seal and optimal performance. Installation is straightforward with the provided clamping mechanism or suitable rubber grommets. It’s an ideal choice for racers and classic vehicle restorers, ensuring both functionality and visual appeal.Important Legal InformationPlease note that, in accordance with regulations, this product is legal in California solely for racing vehicles. It must not be used, registered, or licensed for public highway use. For specific CARB status, refer to knfilters.com before installation.Explore our other specialized products in our Filters Collection and discover additional high-quality aftermarket parts to complete your build.
K&N Chrome Crankcase Vent Filter
$36.99
This crankcase vent filter from K&N offers an ideal combination of performance and style for your racing projects, vintage vehicles, or classic carbureted engines. Its sturdy construction and premium materials guarantee durability and efficiency with every drive.Key Benefits• High-Quality Materials: Crafted with a K&N embossed chrome-plated steel top and base, this filter (model 62-1015) is designed to endure tough conditions while boosting your engine’s visual appeal.• Easy Installation: The 1/2-inch zinc tube is designed to clamp securely onto both metal and plastic tubing, giving you flexible mounting options for a variety of setups.• Durable Performance: Featuring a synthetic filter media, the design promotes effortless cleaning and repeated reuse, providing a cost-effective way to keep your engine running at its best.Ideal ApplicationsThis vent filter is designed for racing vehicles and vintage models. Whether you’re racing on the track or restoring classic cars, its high-performance construction ensures dependable venting and improved engine breathing. For more details on K&N products, visit the K&N Engineering collection.Important NoticePlease note that although this product meets quality standards and carries K&N’s reputation, it is legally approved in California for racing vehicles only, which must not be used, registered, or licensed for highway operation. Always check the CARB status for your specific vehicle before installation.
K&N Steel Base Crankcase Vent Filter .5in Vent OD x 2in OD x 1.5in Height
$36.99
This premium K&N Crankcase Vent Filter is designed for high-performance applications and classic carbureted engines. It features a unique one-piece design with a K&N embossed rubber top and a sturdy steel base, delivering both performance and style. The innovative push-in installation design provides a secure clamp directly on metal or plastic tubing, making it a favorite among racers and vintage car enthusiasts.Key Features & Specifications
Vent OD: 0.5 in, Overall OD: 2 in, Height: 1.5 in
Constructed with a durable zinc vent tube and a chrome plated (if applicable) steel base
Synthetic filter media that is washable and reusable for long-lasting performance
One-piece construction engineered for easy push-in installation
Installation & CompatibilityThe filter mounts effortlessly on metal or plastic tubing and is ideal for use with valve covers equipped with rubber grommets. Optional mounting methods include using vent hoses and clamps for added security. Whether you're looking to buy a K&N Crankcase Vent Filter for sale or wondering where to purchase a K&N Steel Base Vent Filter, this product offers reliable performance with a sleek design.Legal & Usage NotePlease note that this product is legally approved in California for racing applications only. It may not be used, registered, or licensed for highway use. For details on CARB status for your vehicle, please visit knfilters.com.For additional filter options, explore our Filters collection.
K&N Steel Base Crankcase Vent Filter 0.375in Vent OD x 2in OD x 1.5in Height
$26.99
This high-performance K&N crankcase vent filter is engineered for racing applications and vintage carbureted engines. It’s built to deliver superior venting and protect against contamination, making it ideal for enthusiasts looking to enhance engine efficiency and boost overall performance. Enjoy a perfect blend of refined aesthetics and rugged functionality whether you’re a competitive racer or restoring a classic vehicle.Key Specifications• 0.375″ vent OD, 2″ overall OD, and 1.5″ height• Built with a steel base and a zinc tube featuring an embossed rubber top• Uses synthetic filter media designed for repeated cleaning and reuseInstallation & BenefitsThis filter is designed to press into existing rubber grommets and clamp directly onto metal or plastic tubing, ensuring a secure fit and straightforward installation.• Easily mounts on various tubing types• High-flow capability for improved engine performance• Durable construction for repeated cleaning and long-lasting useLegal NoticePlease note that this K&N steel base filter is legal in California only for racing vehicles which may never be used, registered, or licensed for highway use. For further details on compliance, refer to the manufacturer’s CARB status guidelines.For more performance parts, explore our Filters collection or check out our selection in the K&N Engineering collection.
K&N Round - Red - Size 14in - 5.125in Neck Flange x 4.875in O/A H Flow Control Custom Assembly
$329.99
The K&N Flow Control System is engineered to maximize engine breathing with its custom-designed base and innovative lid that minimizes intake turbulence. This flow control assembly from K&N is perfect for engines with round element air cleaner housings, delivering superior cylinder filling and enhanced horsepower and torque.Key Features
Custom-engineered base and unique lid design provide smooth, laminar airflow
Improves cylinder filling, boosting horsepower and torque
Incorporates the world-famous K&N air filter element for top-notch filtration and performance
Washable and reusable design for long-lasting reliability
Ideal for engines featuring round element housings
Available in variants, including the popular K&N round assembly option
Specifications
Size: 14 Inch
Air Filter Color: Red
Neck Flange: 5.125 in
Filter Material: Premium cotton gauze
Top Plate: Chrome-finished for added durability
Inlet/Outlet Diameter: Optimized for maximum airflow
For more reliable K&N Engineering parts, explore our collection at K&N Engineering.For detailed guidance, please refer to the Installation Instructions.
K&N Custom 2BBL Flow Filter
$346.99
Experience enhanced performance with a flow filter designed to maximize your engine’s potential. The K&N Custom 2BBL Flow Filter’s specially engineered base and innovative lid work together to reduce intake turbulence and promote smooth, laminar airflow. This advanced design significantly improves cylinder filling, delivering a noticeable boost in horsepower and torque for both daily driving and high-performance applications.
Specially engineered base and unique lid minimize intake turbulence
Improved cylinder filling enhances horsepower and torque
Features the renowned K&N Filtercharger for superior airflow and filtration
Factory-fit drop-in design offers an effortless upgrade with measurable performance gains
Technical DetailsThis system’s precision engineering ensures a reliable, drop-in installation with no need for extensive modifications. The use of the K&N Filtercharger element guarantees optimal filtration while supporting improved throttle response and engine output. Built with the quality and dependability that K&N is known for – including features like the K&N Million-Mile Limited warranty on select products – it’s designed to meet the demands of both hobbyists and professional drivers.For a smooth installation process, please review our Installation Instructions. To explore more performance-enhancing parts, visit our K&N Engineering collection.
K&N Round - Red - Size 14in - 5.125in Neck Flange Custom Air Cleaner Assembly
$157.99
K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round element air cleaner housing. They incorporate our famous K&N Air Filters and provide more air flow than other assemblies of this type. Available in 4 different designs, the perfect assembly is sure to be found here. Each complete assembly comes with base, element, and top plate.Installation Instructions
K&N Round Air Filter Assembly 14in. ID / 4..12in. Height / 5.125in. Neck Flange / 7/8in. Drop Ba
$157.99
Experience peak engine performance with K&N’s custom round air filter assembly. Designed for those who demand enhanced airflow and increased horsepower, this assembly is perfect for any engine equipped with a round element air cleaner housing. When you purchase a K&N round air filter, you’re choosing a product that effortlessly combines cutting-edge style with exceptional efficiency.Key Benefits
Superior airflow that improves engine performance and efficiency.
Custom-engineered design featuring genuine K&N air filter elements.
Durable construction for long-lasting performance, even under demanding conditions.
A sleek appearance that enhances your vehicle’s aesthetics.
Optimized for a range of vehicles, from light-duty trucks to high-performance machines.
Specifications
14″ ID: Precision-engineered inner diameter for an optimal fit.
4–12″ Overall Height: Versatile sizing to meet various engine configurations.
5.125″ Neck Flange: Provides a secure and stable mounting surface.
7/8″ Drop: Improves cooling efficiency and overall performance.
For more details about K&N products, visit our K&N Engineering collection. To ensure a smooth installation, refer to our Installation Instructions. Enjoy the perfect blend of style, performance, and reliability that only K&N delivers.
K&N Round Air Filter Assembly 12in ID / 3.063in Height / 5.125in Neck Flange / 7/8in Drop Base
$157.99
Experience enhanced airflow and optimized performance with K&N's custom air cleaner assemblies – engineered for racers and performance enthusiasts. Designed to deliver superior airflow and an eye-catching appearance, these assemblies offer a cost-effective upgrade for any engine that uses a round element air cleaner housing. Enjoy the benefits of reduced maintenance costs with a durable, reusable design that sets new standards in engine efficiency.Key Benefits
Enhanced Airflow: Our design features premium K&N Air Filters that provide greater airflow than generic assemblies, contributing to potential horsepower and acceleration gains.
Cost-Effective: The reusable construction means fewer replacements and lower overall maintenance expenses.
Versatile Design: Offered in four distinct styles to ensure you get the perfect assembly to match your vehicle’s needs.
Sleek Appearance: Combines great looks with high performance, making it a win-win for racers and enthusiasts alike.
Specifications
12in ID – Maximizes air intake for improved performance.
3.063in Height – Ensures compatibility with a wide range of engine designs.
5.125in Neck Flange – Provides a secure and stable connection.
7/8in Drop Base – Optimized for enhanced efficiency and streamlined installation.
Installation & CompatibilityThis assembly is easy to install on any engine that utilizes a round element air cleaner housing. Its precision-engineered design guarantees a secure fit, making it an ideal OEM-compatible upgrade. For additional high-performance air intake solutions, explore our K&N Engineering collection or check out our curated Air Intake Systems to find the perfect match for your setup.
K&N 5-1/8in / 14in ID X 1.5in O/S Flat Base Air Cleaner Assembly
$179.99
Experience high-performance airflow with this K&N custom air cleaner assembly, engineered to boost engine efficiency and add a sporty look to your ride. Designed for racers and performance enthusiasts, this flat base air cleaner assembly incorporates advanced design elements from K&N, ensuring maximum airflow and a perfect fit for any engine using a round element air cleaner housing.Key Specifications
5-1/8" inner diameter (ID)
14" outer diameter
1.5" overall thickness (O/S)
Complete assembly includes base, element, and top plate
Available in four stylish designs
Product Benefits
Enhances engine performance by improving airflow
Crafted as a genuine K&N air cleaner, ideal for those seeking to purchase a trusted K&N air cleaner online or looking to upgrade their current setup
An excellent match for any vehicle requiring a 5-1/8in air cleaner solution or K&N performance air cleaner
Quality and ConvenienceThis assembly is brand new, unused, unopened, and undamaged in its original packaging. Enjoy peace of mind with a 1-year manufacturer warranty and free delivery within 2-4 days.Explore more K&N selections in our K&N Engineering collection and elevate your vehicle’s performance today.
K&N Round Air Filter Assembly 5.125 in FLG / 9in OD / 6.375 in H w/ Vent
$146.99
Experience the thrill of superior airflow and precision-engineered design with K&N custom air cleaner assemblies. Built for racers and high-performance engine enthusiasts, these assemblies not only deliver enhanced horsepower with a round-element air cleaner housing but also add a distinct racing look. With dimensions of 5.125 in inlet diameter, 9 in overall diameter, and 6.375 in height with vent, every detail is crafted to boost engine performance and style.Product Details
Features K&N’s high-performance air filter for improved horsepower
Provides enhanced airflow that boosts engine efficiency
Washable and reusable design for long-term value
Designed to fit any engine using a round-element air cleaner housing
Attractive design that combines performance cues with racing aesthetics
Specifications
Inlet Diameter: 5.125 in
Overall Dimensions: 9 in OD and 6.375 in H with vent
Materials: Precision-engineered base, element, and top plate (with chrome accents)
Warranty: 1-Year Limited Guarantee
Exclusively designed for high-performance applications
Why Choose K&N
Proven reliability and performance gains
Engineered for ease of maintenance and lasting durability
Trusted by both enthusiasts and professional drivers
Explore more high-performance air filters in our Air Filters - Universal Fit collection or check out our dedicated K&N Engineering range to find the perfect fit for your driving needs.
K&N Round Air Filter Assembly
$115.99
Enhance your engine’s performance with a meticulously engineered K&N round air filter assembly. Designed for both seasoned racers and everyday drivers, this assembly delivers improved airflow that gives your engine that extra horsepower boost while ensuring a precise fit in any round element air cleaner housing. Experience the perfect mix of style, durability, and performance every time you hit the road.Key Benefits
Superior airflow technology that helps boost horsepower and optimize engine performance.
Washable and reusable design, reducing long-term maintenance costs.
Durable construction with rigorously tested materials for reliable, everyday use.
Compatible with a wide range of engine types designed for round air filter housings.
Backed by a hassle-free lifetime limited warranty for peace of mind.
Technical Specifications
Design Variation: Available in 4 distinct styles to suit your engine’s needs.
Components: Complete assembly includes a robust base, premium filter element, and secure top plate.
Material Quality: Built with high-grade components engineered for longevity.
Maintenance: Designed for easy cleaning and routine upkeep to ensure optimal performance.
Upgrade today and buy your K&N round air filter with confidence. For more high-performance parts, visit our K&N Engineering collection and discover the Everything Truck Parts difference.
K&N 5-1/8in Flange Custom Air Cleaner Assembly
$146.99
This custom K&N air cleaner assembly is engineered to provide enhanced airflow and improved engine performance. Designed with racers and enthusiasts in mind, this complete kit leverages renowned K&N technology to boost horsepower potential while ensuring optimal engine efficiency. Its precision design—including a 5-1/8 inch flange—fits any engine using a round element air cleaner housing.Features & Benefits• Superior airflow that contributes to increased horsepower• Custom design merging aesthetics and functionality• Complete kit components: base, element, and top plate• Improved engine efficiency and performance• Precision engineering with a 5-1/8 inch flange for a flawless fitDetailed Specifications• Designed for any engine with a round element air cleaner housing• Built using high-quality K&N Air Filters for ultimate durability• Racer-optimized performance that balances appearance and function• Easy to install and maintain, allowing for seamless integration with your vehicleFor best performance, follow K&N’s installation guidelines. Ensure proper alignment and secure mounting of each component to maintain efficiency and performance without compromise. Regular maintenance will keep your engine running strong and maximize the benefits of this custom air cleaner assembly.Upgrade your vehicle’s performance today and experience the difference that quality and precision can make. Explore more innovative parts in our K&N Engineering collection for a complete performance upgrade.
K&N Round Air Filter Assembly 5.25in ID / 5in Height / 5.125in Neck Flange / 1 1/4in Drop Base
$157.99
Our custom air cleaner assembly is built for racers and performance enthusiasts who demand exceptional airflow and precision in every component. Specifically designed for engines equipped with a round element air cleaner housing, this assembly provides a striking appearance as well as enhanced engine performance.Key Features• Measurements: 5.25″ inner diameter, 5″ in height, 5.125″ neck flange, and a 1¼″ drop base.• Compatibility: Works with any engine featuring a round element air cleaner housing.• Engineered Airflow: K&N’s industry-leading design boosts horsepower and acceleration for overall improved engine performance.• Robust Construction: Crafted with heavy-duty materials to ensure a durable, high-performance assembly that lasts.• Complete Kit: Includes a base, element, and top plate, along with clear, step-by-step installation instructions.Experience the advantage of enhanced filtration and unrestricted airflow that elevates your engine’s performance. Each assembly is designed to provide reliable, race-ready performance, ensuring your vehicle always operates at its best. For those looking to upgrade their ride, check out our Filters collection for more high-quality options.
K&N 14in Red Custom Air Cleaner Assembly - 5.125in ID x 14in OD x 3.75in H x 1.25in Drop Base
$157.99
Experience a racing upgrade with K&N’s custom 14-inch red air cleaner assembly. Designed specifically for engines with round-element air cleaner housings, this innovative assembly improves airflow and increases horsepower—giving you the competitive edge on the track while keeping your engine cool and efficient.Product Details
Superior airflow for enhanced engine efficiency and performance
Increases horsepower for an exhilarating racing experience
Washable and reusable design minimizes long-term maintenance costs
Includes a genuine K&N air filter for proven reliability
Engineered for racing performance to handle high-demand conditions
Specifications
Inlet Diameter: 5.125 inches
Overall Dimensions: 14-inch outer diameter, 3.75-inch height with a 1.25-inch drop base
Material & Finish: Durable red cotton gauze filter paired with a chrome top for lasting style and performance
Additional Features: Lightweight design with included mounting hardware and a limited lifetime warranty
For detailed setup and installation instructions, please refer to our Installation Instructions.Looking for more high-performance upgrades? Discover additional premium parts in our K&N Engineering collection.
K&N 14in Red Custom Air Cleaner Assembly - 5.125in ID x 14in OD x 2.75in H x 1.25in Drop Base
$125.99
Experience a custom air cleaner assembly engineered specifically for racers. With a bold red high-performance finish, this unit is designed to boost airflow and horsepower while adding striking style to your engine bay. Crafted for engines using a round element air cleaner housing, every assembly is precisely built with a sturdy base, premium element, and top plate for a seamless fit.Key Features• Superior airflow designed to enhance horsepower• Washable and reusable K&N air filters• Custom design tailored for round element housings• Eye-catching red finish that stands out on the trackSpecifications• Inlet Diameter: 5.125 in – Optimized for maximum air intake• Outer Diameter: 14 in – Ensures flawless integration• Overall Height: 2.75 in and Drop Base: 1.25 in – Built to exact dimensions• Material & Finish: High-performance red coating with durable construction• Complete Assembly: Includes base, element, and top plate for quick installationBenefits & PerformanceThis assembly’s advanced design delivers significant improvements in engine efficiency and power output. The increased airflow not only boosts performance but also ensures long-lasting reliability under demanding conditions. Easy to install and crafted with precision, it’s the ideal upgrade for both performance enthusiasts and everyday drivers.Discover more specialized components in our K&N Engineering collection for enhanced vehicle performance.
K&N Universal Custom Air Filter - Round 5.125in Flange / 14in OD / 5.125in ID / 4.625in Height
$146.99
Experience high-performance design with K&N’s custom air cleaner assemblies, engineered for racing enthusiasts demanding superior airflow and engine compatibility. Crafted with a 5.125 in flange, 14 in outer diameter, 5.125 in inner diameter, and 4.625 in height, this universal custom air filter delivers outstanding performance whether you’re chasing increased horsepower or precise driving. Built on the trusted reputation of the K&N air filter, this performance air filter is ideal for any engine that uses a round element air cleaner housing.Key Features• Superior airflow for optimized engine performance• Increased horsepower and improved engine response• Washable and reusable design for long-term value• Custom fit for round element air cleaner housingsSpecifications• Flange Diameter: 5.125 in• Outer Diameter: 14 in• Inner Diameter: 5.125 in• Height: 4.625 inInstallation & CompatibilityThis assembly is designed to seamlessly integrate with any engine using a round element air cleaner housing, making it perfect for both street and racing applications. Enjoy quick installation and hassle-free maintenance, backed by K&N’s reliable customer support and warranty services.Discover more innovative air filtering solutions by exploring our K&N Engineering collection and enhance your vehicle’s performance with a custom air filter that truly stands apart.
K&N 14in Red Custom Air Cleaner Assembly - 5.125in ID x 14in OD x 3.87in H
$157.99
Elevate your racing performance with a custom air cleaner assembly designed specifically for high-performance engines. Engineered to maximize airflow while delivering an eye-catching look, this K&N custom air cleaner assembly accommodates engines with a round element air cleaner housing. It provides the enhanced intake needed to boost horsepower, improve throttle response, and give you a competitive advantage on the track—all while reflecting the renowned quality and durability of K&N products.Key Features
Delivers superior engine airflow for increased horsepower and overall performance.
Compatible with any engine featuring a round element air cleaner housing.
Complete assembly includes a base, element, and top plate for effortless installation.
Washable and reusable design ensures long-lasting value and reliable performance.
Offered in four distinct designs, allowing you to choose the style that best suits your racing needs.
Product Specifications
Inner Diameter (ID): 5.125 inches
Outer Diameter (OD): 14 inches
Height: 3.87 inches
Color: Red
Constructed with durable materials to stand up to the rigorous demands of racing
Features a high-efficiency K&N air filter for optimal performance
Experience the perfect combination of style and engineering precision with this premium assembly. Crafted for racing enthusiasts seeking the ultimate performance upgrade, it stands out as a practical, high-performance solution. To discover more K&N innovations, visit our K&N Engineering collection.
K&N Universal Custom Air Filter - Round 5.125in Flange / 14in OD / 5.125in ID / 5.625in Height
$157.99
Experience unmatched engine performance with our custom air cleaner assemblies—designed for both racing enthusiasts and everyday drivers. This cutting-edge K&N air filter provides improved airflow and optimal performance for any engine that uses a round element air cleaner housing. Benefit from a custom air filter that combines style, durability, and enhanced horsepower, making it the perfect choice when you choose K&N air filter products.Technical Specifications
Flange: 5.125in
Outside Diameter: 14in
Inside Diameter: 5.125in
Height: 5.625in
Built to boost airflow and maximize engine power, our K&N air filter round assembly delivers the trusted K&N performance that both beginners and experts value. The complete unit includes a base, the premium air filter element, and a top plate, ensuring a smooth and reliable installation. Enjoy the confidence that comes with our quality guarantee and dedicated 24/7 customer support.Upgrade your vehicle’s performance with this premium, universal air filter solution. Check out our carefully curated selections in our Filters Collection today, and experience the ultimate enhancement in engine efficiency and style.
K&N Universal Custom Air Filter - Round 7.3125in Flange / 11in OD / 7in Height
$157.99
K&N Custom Air Cleaner Assemblies are engineered with racing enthusiasts in mind. Designed for any engine that utilizes a round element housing, this custom air filter delivers superior airflow and maximizes engine performance. Precision-built with a 7.3125-inch flange, an 11-inch outer diameter, and a 7-inch height, it’s the ideal choice for those seeking a K&N air filter or a universal solution.Key Benefits
Custom design optimized for racing performance and everyday driving
Enhances airflow for improved horsepower, acceleration, and engine efficiency
Constructed with durable, premium materials for long-lasting reliability
Pre-oiled assembly ensures easy installation and minimal maintenance
Reusable design that promotes waste reduction and eco-friendly practices
Technical Specifications
Flange: 7.3125 inches
Outer Diameter (OD): 11 inches
Height: 7 inches
Complete assembly includes a base, filter element, and top plate
Installation TipsFor a hassle-free fit, make sure the air cleaner housing is clean before installation. Secure the assembly firmly and refer to the user manuals for specific engine configurations. Enjoy enhanced performance with a custom automotive air filter that not only boosts your engine’s efficiency but also simplifies maintenance.Discover more options in our Air Filters - Direct Fit collection for a complete performance upgrade.
K&N Custom Round Filter 5-1/8in FLG / 11in Dia / 6-1/4in H
$157.99
Enhance your engine’s performance with our custom air cleaner assemblies from K&N. Designed with the racer and performance enthusiast in mind, these assemblies provide exceptional airflow and durability, ensuring your engine breathes easier and runs stronger. Expertly engineered for any engine using a round element air cleaner housing, these filters set a new standard in performance and reliability.Features & Benefits
Improved airflow for noticeable performance gains
Engineered with the innovative K&N Custom Round Filter design
Superior durability with a robust base, high-performance element, and secure top plate
Universal fit for a variety of engine types and round air cleaner housings
Available in four distinct designs to perfectly match your style and requirements
Technical Specifications
Dimensions: 5-1/8 in flange, 11 in diameter, 6-1/4 in height
Complete assembly includes base, element, and top plate for easy installation and maintenance
Designed to meet the demands of both street and race applications, including the renowned K&N round air filter 5-1/8in flange
Upgrade your ride by choosing the performance and quality of K&N. Don’t miss the opportunity to buy the K&N Custom Round Filter—order your K&N Custom Filter online now and experience the difference. Explore more innovative products in our K&N Engineering collection for additional performance upgrades.
K&N Custom Round Filter 5-1/8in FLG / 11in Dia / 4-3/4in H w/VENT
$146.99
Experience the ultimate boost in your engine's performance with this precision-engineered K&N air cleaner assembly. Designed specifically for racers and performance enthusiasts, this product features unique dimensions (5-1/8 in FLG, 11 in Dia, 4-3/4 in H with VENT) that deliver improved airflow and a noticeable horsepower increase. Its distinctive vent design not only enhances engine cooling but also adds a bold, high-performance aesthetic to your ride.Key Benefits• Superior airflow that maximizes engine performance and horsepower• Washable, reusable K&N filters that provide long-lasting value• Unique vent design for optimal cooling during high-demand conditions• Crafted to fit any engine using a round element air cleaner housingSpecifications• Filter Inlet: 11 inches in diameter for ample air intake• Overall Assembly Height: 4-3/4 inches including the integrated vent• FLG Dimension: 5-1/8 inches ensuring a perfect fit and finish• Complete Assembly: Includes base, element, and top plate for hassle-free installationEngineered for racers and performance drivers alike, this air cleaner assembly from K&N combines functionality with style. Enhance your vehicle’s efficiency and upgrade your driving experience. For more premium K&N products, visit our K&N Engineering collection.
K&N 5 1/8in Flange 11in OD 3 1/4in Height w/ Vent Custom Air Cleaner Assembly
$188.99
Experience race-ready performance with K&N’s custom air cleaner assembly, engineered for drivers demanding superior airflow and enhanced engine efficiency. Designed to fit any engine equipped with a round element air cleaner housing, this assembly combines style and function for your high-performance vehicle.Key Features
Custom vent system for optimal airflow
Complete assembly with base, high-performance element, and top plate
Built to boost horsepower and improve engine efficiency
Ideal for racing vehicles (legal for racing vehicles only)
Specifications
Flange Diameter: 5 1/8 inches
Outer Diameter: 11 inches
Height: 3 1/4 inches
Construction: Premium filter materials built for durability
Vent System: Integrated to enhance air intake efficiency
This custom-designed air cleaner assembly not only presents a striking modern design but also delivers advanced performance metrics essential for the racetrack. Its precise dimensions and unique vent design distinguish it from standard assemblies, making it a top choice for racing enthusiasts and professional drivers alike.Elevate your vehicle’s performance and check out our range of high-quality parts in the Air Intake Systems collection for even more performance upgrades.
K&N Custom Round Filter 5-1/8in FLG / 9in OD x 4-1/8in HW/VENT
$146.99
Experience the unmatched performance of our K&N custom air cleaner assembly, engineered specifically for racers and performance enthusiasts. Its innovative design boosts engine efficiency by delivering superior airflow while ensuring an aggressive, head-turning look.Features & Benefits
Designed for engines with round element air cleaner housings for an optimal fit.
Available in four distinct design options to suit your style and performance needs.
Constructed with premium cotton gauze for high-performance air filtration.
Enhanced airflow improves engine efficiency and responsiveness.
Precisely engineered dimensions: 5-1/8″ FLG, 9″ OD, and 4-1/8″ HW/VENT.
Comes complete with a robust base, high-capacity element, and top plate for long-lasting durability.
Technical Specifications
Overall Length (FLG): 5-1/8 inches ensuring a perfect fit.
Outer Diameter (OD): 9 inches for optimal intake.
Height/Vent (HW/VENT): 4-1/8 inches to maximize airflow.
Filter Material: High-grade, customizable cotton gauze.
Application: Ideal for racing applications, offering measurable performance improvements and efficient air intake for engines.
Unlock the full potential of your vehicle with this high-performance K&N custom air cleaner assembly. Designed with precision and backed by 35 years of expertise, it’s the perfect choice for those seeking both style and functionality. For more advanced air filter solutions, explore our K&N Engineering collection.
K&N Custom Oval Race Filter 5-1/8in FLG / 9in OD x 3-3/8in HW/VENT
$157.99
Experience a significant boost in performance on the track with the custom oval race filter from K&N. Engineered specifically for racing applications, this filter not only enhances your vehicle's appearance but also delivers exceptional airflow to help increase your engine’s horsepower. With dimensions of 5-1/8 in FLG, 9 in OD, and 3-3/8 in HW/VENT, you can trust its precision-engineered design tailored for high-performance vehicles.Key Benefits• Custom oval design built for racers and performance enthusiasts• Enhanced airflow that boosts acceleration and horsepower• Specifically engineered for compatibility with round element air cleaner housings• Made with high-quality filter media for superior durability• A perfect blend of iconic K&N style and engineering excellenceProduct Specifications• Size: 5-1/8 in FLG, 9 in OD, 3-3/8 in HW/VENT• Application: Custom oval race filter for racing vehicles• Design: Streamlined aesthetics that deliver both performance and style• Material: Premium filter media ensuring optimal airflow and longevity• Compatibility: Fits any engine using a round element air cleaner housing• Installation: Simple and hassle-free for performance upgradesElevate your racing experience with this K&N custom oval race filter. Discover the outstanding quality and performance that sets K&N apart by exploring our collection in the Filters section.