The Edelbrock part #35733 Pro-Flo 4 XT 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 Pro-Flo XT cathedral port black finish intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. 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.
Installation Instructions
Installation Instructions
Technical Bulletin
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2013	Chevrolet	Avalanche	Black Diamond LS
2013	Chevrolet	Avalanche	Black Diamond LT
2013	Chevrolet	Avalanche	Black Diamond LTZ
2007-2012	Chevrolet	Avalanche	LS
2007-2012	Chevrolet	Avalanche	LT
2007-2012	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
1993	Chevrolet	Camaro	Indianapolis 500 Pace Car
2010-2015,2017-2019	Chevrolet	Camaro	SS
2014-2015	Chevrolet	Camaro	Z/28
1993,1997	Chevrolet	Camaro	Z28
2012-2015,2017-2019	Chevrolet	Camaro	ZL1
2009-2012	Chevrolet	Colorado	LT
1994	Chevrolet	Commercial Chassis	Base
1993	Chevrolet	Corvette	40th Anniversary Edition
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
1992-1994,2001-2013	Chevrolet	Corvette	Base
2010-2013,2017-2019	Chevrolet	Corvette	Grand Sport
2015-2019	Chevrolet	Corvette	Stingray
2001-2004,2006-2013,2015-2019	Chevrolet	Corvette	Z06
2011	Chevrolet	Corvette	Z06 Carbon
2009-2013,2019	Chevrolet	Corvette	ZR1
2003-2014	Chevrolet	Express 1500	Base
2003-2014	Chevrolet	Express 1500	LS
2006-2014	Chevrolet	Express 1500	LT
2003-2019	Chevrolet	Express 2500	Base
2003-2019	Chevrolet	Express 2500	LS
2006-2019	Chevrolet	Express 2500	LT
2003-2019	Chevrolet	Express 3500	Base
2003-2019	Chevrolet	Express 3500	LS
2006-2019	Chevrolet	Express 3500	LT
2006-2009	Chevrolet	Impala	SS
2006-2007	Chevrolet	Monte Carlo	SS
1999-2005	Chevrolet	Silverado 1500	Base
2004-2006,2009-2013	Chevrolet	Silverado 1500	Hybrid
1999-2013	Chevrolet	Silverado 1500	LS
1999-2013	Chevrolet	Silverado 1500	LT
2007-2013	Chevrolet	Silverado 1500	LTZ
2003-2006	Chevrolet	Silverado 1500	SS
2002-2013	Chevrolet	Silverado 1500	WT
2010-2013	Chevrolet	Silverado 1500	XFE
2004-2005	Chevrolet	Silverado 1500	Z71 Off-Road
2007	Chevrolet	Silverado 1500 Classic	Hybrid
2007	Chevrolet	Silverado 1500 Classic	LS
2007	Chevrolet	Silverado 1500 Classic	LT
2007	Chevrolet	Silverado 1500 Classic	SS
2007	Chevrolet	Silverado 1500 Classic	WT
2005	Chevrolet	Silverado 1500 HD	Base
2001-2003,2005	Chevrolet	Silverado 1500 HD	LS
2001-2003,2005-2006	Chevrolet	Silverado 1500 HD	LT
2007	Chevrolet	Silverado 1500 HD Classic	LT
1999-2004	Chevrolet	Silverado 2500	Base
1999-2004	Chevrolet	Silverado 2500	LS
1999-2004	Chevrolet	Silverado 2500	LT
2004	Chevrolet	Silverado 2500	WT
2001-2005	Chevrolet	Silverado 2500 HD	Base
2015-2019	Chevrolet	Silverado 2500 HD	High Country
2001-2006	Chevrolet	Silverado 2500 HD	LS
2001-2019	Chevrolet	Silverado 2500 HD	LT
2007-2019	Chevrolet	Silverado 2500 HD	LTZ
2003-2019	Chevrolet	Silverado 2500 HD	WT
2007	Chevrolet	Silverado 2500 HD Classic	LS
2007	Chevrolet	Silverado 2500 HD Classic	LT
2007	Chevrolet	Silverado 2500 HD Classic	WT
2001-2005	Chevrolet	Silverado 3500	Base
2001-2006	Chevrolet	Silverado 3500	LS
2001-2006	Chevrolet	Silverado 3500	LT
2004,2006	Chevrolet	Silverado 3500	WT
2007	Chevrolet	Silverado 3500 Classic	LS
2007	Chevrolet	Silverado 3500 Classic	LT
2007	Chevrolet	Silverado 3500 Classic	WT
2015-2019	Chevrolet	Silverado 3500 HD	High Country
2007-2019	Chevrolet	Silverado 3500 HD	LT
2007-2019	Chevrolet	Silverado 3500 HD	LTZ
2007-2019	Chevrolet	Silverado 3500 HD	WT
2014-2017	Chevrolet	SS	Base
2003-2006	Chevrolet	SSR	Base
2000-2001,2006	Chevrolet	Suburban 1500	Base
2000-2014	Chevrolet	Suburban 1500	LS
2000-2014	Chevrolet	Suburban 1500	LT
2006-2014	Chevrolet	Suburban 1500	LTZ
2002-2006	Chevrolet	Suburban 1500	Z71
2000-2001	Chevrolet	Suburban 2500	Base
2000-2013	Chevrolet	Suburban 2500	LS
2000-2013	Chevrolet	Suburban 2500	LT
2007	Chevrolet	Suburban 2500	LTZ
2016-2019	Chevrolet	Suburban 3500 HD	LS
2016-2019	Chevrolet	Suburban 3500 HD	LT
2000-2001,2006	Chevrolet	Tahoe	Base
2010-2013	Chevrolet	Tahoe	Hybrid
2000-2014	Chevrolet	Tahoe	LS
2000-2014	Chevrolet	Tahoe	LT
2007-2014	Chevrolet	Tahoe	LTZ
2012-2014	Chevrolet	Tahoe	PPV
2012-2014	Chevrolet	Tahoe	SSV
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