4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

Manley Spring Retainer, RET-TI SUPER 7 1.550.

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust valves, tested at 40,000 psi and 1400?F, impressively endured up to 100,000,000 (one hundred million) cycles. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a staggering 1000 times better fatigue life.Designed for High Temperature Gasoline Engines: Engineered for superior performance in high-temperature gasoline engines.Chrome Stems and Hard Tips: Incorporating chrome stems and hard tips for enhanced durability and longevity.Optimized Combustion: Swirl polished under head areas and fully machined combustion faces for improved airflow and combustion efficiency.XH-428 for Exhaust: No competitor worldwide offers the exceptional XH-428 as exhaust valve material. It boasts nearly double the ultimate tensile strength at 1500?F compared to the competition's EV-8.NK-844 for Intake: Our intake valve material, NK-844, is equally unmatched, displaying over four times the ultimate tensile strength of the competition's best intake valve material at 1000?F.

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Meticulously formed ends with exact radiiExcellent concentricity, closely controlled lengthHeat treated and black oxide finished

Manley Spring Retainer, RET-TI 1.500 DOUBLE 10 DEG. .

Manley Valve Lock/Keeper, LOC-10 DEG .3110 BEAD COATED.

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust valves, tested at 40,000 psi and 1400?F, impressively endured up to 100,000,000 (one hundred million) cycles. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a staggering 1000 times better fatigue life.Designed for High Temperature Gasoline Engines: Engineered for superior performance in high-temperature gasoline engines.Chrome Stems and Hard Tips: Incorporating chrome stems and hard tips for enhanced durability and longevity.Optimized Combustion: Swirl polished under head areas and fully machined combustion faces for improved airflow and combustion efficiency.XH-428 for Exhaust: No competitor worldwide offers the exceptional XH-428 as exhaust valve material. It boasts nearly double the ultimate tensile strength at 1500?F compared to the competition's EV-8.NK-844 for Intake: Our intake valve material, NK-844, is equally unmatched, displaying over four times the ultimate tensile strength of the competition's best intake valve material at 1000?F.

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust valves, tested at 40,000 psi and 1400?F, impressively endured up to 100,000,000 (one hundred million) cycles. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a staggering 1000 times better fatigue life.Designed for High Temperature Gasoline Engines: Engineered for superior performance in high-temperature gasoline engines.Chrome Stems and Hard Tips: Incorporating chrome stems and hard tips for enhanced durability and longevity.Optimized Combustion: Swirl polished under head areas and fully machined combustion faces for improved airflow and combustion efficiency.XH-428 for Exhaust: No competitor worldwide offers the exceptional XH-428 as exhaust valve material. It boasts nearly double the ultimate tensile strength at 1500?F compared to the competition's EV-8.NK-844 for Intake: Our intake valve material, NK-844, is equally unmatched, displaying over four times the ultimate tensile strength of the competition's best intake valve material at 1000?F.

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.

High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.Chrome Stems and Hard Tips: These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.Swirl Polished and Fully Machined: The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.Variety of Shapes: Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.

2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff/DLC alloys, providing additional durability.Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.Unique Fixturing: Manley's unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

4340 Forged steel crankshaft4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHorsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws