The Edelbrock part #35700 Pro-Flo 4 Sequential Port EFI System for Chevrolet LS GEN III/IV engines is equipped with the latest in technology and features. The EFI system comes complete with a traditional 4150-Style satin finish Victor Jr. cathedral port single plane intake manifold and 29 Lb/Hr injectors capable of 475 HP. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and measures half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We've added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU's self-learning capability to continually adjust the calibration to get the maximize performance of your engine. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use your personal Android based smart phone or tablet. If you don't have a compatible device, then we also offer kits that include a 7" Android tablet with the E-Tuner 4 app pre-installed.Multiple dash displays are included to allow you to monitor engine vitals and performance from your Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.
Technical Bulletin
Installation Instructions
Installation Instructions
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2001-2004	Avanti	II	Base
2004-2007,2009-2015	Cadillac	CTS	V
2007-2009	Chevrolet	Avalanche	LS
2007-2009	Chevrolet	Avalanche	LT
2007-2009	Chevrolet	Avalanche	LTZ
2002-2005	Chevrolet	Avalanche 1500	Base
2005-2006	Chevrolet	Avalanche 1500	LS
2005-2006	Chevrolet	Avalanche 1500	LT
2002-2003	Chevrolet	Avalanche 1500	North Face
2002-2003	Chevrolet	Avalanche 1500	On Road Edition
2003	Chevrolet	Avalanche 1500	WBH
2004-2006	Chevrolet	Avalanche 1500	Z66
2002-2006	Chevrolet	Avalanche 1500	Z71
2010-2015	Chevrolet	Camaro	SS
2014-2015	Chevrolet	Camaro	Z/28
1998-2002	Chevrolet	Camaro	Z28
1998-2002	Chevrolet	Camaro	Z28 SS
2012-2015	Chevrolet	Camaro	ZL1
2009-2012	Chevrolet	Colorado	LT
2013	Chevrolet	Corvette	427
2008	Chevrolet	Corvette	427 Limited Edition Z06
2003	Chevrolet	Corvette	50th Anniversary Edition
2003	Chevrolet	Corvette	50th Anniversary Edition Pace Car
1997-2013	Chevrolet	Corvette	Base
2010-2013	Chevrolet	Corvette	Grand Sport
1998	Chevrolet	Corvette	Indianapolis 500 Pace Car
2001-2004,2006-2013	Chevrolet	Corvette	Z06
2011	Chevrolet	Corvette	Z06 Carbon
2009-2013	Chevrolet	Corvette	ZR1
2003-2009	Chevrolet	Express 1500	Base
2003-2009	Chevrolet	Express 1500	LS
2006-2009	Chevrolet	Express 1500	LT
2003-2005	Chevrolet	Express 2500	Base
2003-2005	Chevrolet	Express 2500	LS
2006-2009	Chevrolet	Impala	SS
2006-2007	Chevrolet	Monte Carlo	SS
1999-2005	Chevrolet	Silverado 1500	Base
1999-2006	Chevrolet	Silverado 1500	LS
1999-2009	Chevrolet	Silverado 1500	LT
2007-2009	Chevrolet	Silverado 1500	LTZ
2002,2004-2009	Chevrolet	Silverado 1500	WT
2004-2005	Chevrolet	Silverado 1500	Z71 Off-Road
2007	Chevrolet	Silverado 1500 Classic	LS
2007	Chevrolet	Silverado 1500 Classic	LT
2007	Chevrolet	Silverado 1500 Classic	WT
1999-2000	Chevrolet	Silverado 2500	Base
1999-2000	Chevrolet	Silverado 2500	LS
1999-2000	Chevrolet	Silverado 2500	LT
2011-2013	Chevrolet	Silverado 2500 HD	LT
2011-2013	Chevrolet	Silverado 2500 HD	LTZ
2011-2013	Chevrolet	Silverado 2500 HD	WT
2011-2013	Chevrolet	Silverado 3500 HD	LT
2011-2013	Chevrolet	Silverado 3500 HD	LTZ
2011-2013	Chevrolet	Silverado 3500 HD	WT
2014-2017	Chevrolet	SS	Base
2003-2006	Chevrolet	SSR	Base
2000-2001,2006	Chevrolet	Suburban 1500	Base
2000-2009	Chevrolet	Suburban 1500	LS
2000-2009	Chevrolet	Suburban 1500	LT
2007-2009	Chevrolet	Suburban 1500	LTZ
2002-2006	Chevrolet	Suburban 1500	Z71
2000-2001,2006	Chevrolet	Tahoe	Base
2000-2009	Chevrolet	Tahoe	LS
2000-2009	Chevrolet	Tahoe	LT
2007-2009	Chevrolet	Tahoe	LTZ
2002-2006	Chevrolet	Tahoe	Z71
2008	Chevrolet	Trailblazer	Base
2006-2007	Chevrolet	Trailblazer	LS
2006-2008	Chevrolet	Trailblazer	LT
2006-2009	Chevrolet	Trailblazer	SS
2003-2006	Chevrolet	Trailblazer EXT	LS
2003-2006	Chevrolet	Trailblazer EXT	LT
2003-2004	Chevrolet	Trailblazer EXT	North Face
1998-2002	Pontiac	Firebird	Formula
1998-2002	Pontiac	Firebird	Trans Am
2009	Pontiac	G8	GXP
2004-2006	Pontiac	GTO	Base