The Edelbrock part #35993 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 rectangular 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.

This Part Fits:

Year	Make	Model	Submodel
2008-2009	Buick	LaCrosse	Super
2004-2007	Buick	Rainier	CXL
2004-2005	Buick	Rainier	CXL Plus
2004-2007,2009-2017	Cadillac	CTS	V
2002-2008	Cadillac	Escalade	Base
2010-2013	Cadillac	Escalade	Hybrid
2010-2013	Cadillac	Escalade	Hybrid Platinum
2008	Cadillac	Escalade	Platinum
2003-2008	Cadillac	Escalade ESV	Base
2008	Cadillac	Escalade ESV	Platinum
2002-2008	Cadillac	Escalade EXT	Base
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
2010-2015,2017	Chevrolet	Camaro	SS
2014-2015	Chevrolet	Camaro	Z/28
1997	Chevrolet	Camaro	Z28
2012-2015,2017	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
2001-2013	Chevrolet	Corvette	Base
2010-2013,2017	Chevrolet	Corvette	Grand Sport
2015-2017	Chevrolet	Corvette	Stingray
2001-2004,2006-2013,2015-2017	Chevrolet	Corvette	Z06
2011	Chevrolet	Corvette	Z06 Carbon
2009-2013	Chevrolet	Corvette	ZR1
2003-2014	Chevrolet	Express 1500	Base
2003-2014	Chevrolet	Express 1500	LS
2006-2014	Chevrolet	Express 1500	LT
2003-2017	Chevrolet	Express 2500	Base
2003-2017	Chevrolet	Express 2500	LS
2006-2017	Chevrolet	Express 2500	LT
2003-2017	Chevrolet	Express 3500	Base
2003-2017	Chevrolet	Express 3500	LS
2006-2017	Chevrolet	Express 3500	LT
2006-2009	Chevrolet	Impala	SS
2006-2007	Chevrolet	Monte Carlo	SS
1999-2005	Chevrolet	Silverado 1500	Base
2014-2018	Chevrolet	Silverado 1500	High Country
2004-2006,2009-2013	Chevrolet	Silverado 1500	Hybrid
1999-2013	Chevrolet	Silverado 1500	LS
1999-2013	Chevrolet	Silverado 1500	LT
2007-2018	Chevrolet	Silverado 1500	LTZ
2003-2006	Chevrolet	Silverado 1500	SS
2002-2004,2006-2013	Chevrolet	Silverado 1500	WT
2010-2013	Chevrolet	Silverado 1500	XFE
2004	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
2015-2017	Chevrolet	Silverado 2500 HD	High Country
2001-2006	Chevrolet	Silverado 2500 HD	LS
2001-2017	Chevrolet	Silverado 2500 HD	LT
2007-2017	Chevrolet	Silverado 2500 HD	LTZ
2003-2017	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
2015-2017	Chevrolet	Silverado 3500 HD	High Country
2007-2017	Chevrolet	Silverado 3500 HD	LT
2007-2017	Chevrolet	Silverado 3500 HD	LTZ
2007-2017	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
2004-2006	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
2016-2017	Chevrolet	Suburban 3500 HD	LS
2016-2017	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
2003-2006	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
2009-2012	GMC	Canyon	SLE
2009-2012	GMC	Canyon	SLT
2005-2009	GMC	Envoy	Denali
2005-2006	GMC	Envoy XL	Denali
2003-2005	GMC	Envoy XL	SLE
2003-2005	GMC	Envoy XL	SLT
2004-2005	GMC	Envoy XUV	SLE
2004-2005	GMC	Envoy XUV	SLT
2003-2014	GMC	Savana 1500	Base
2006-2014	GMC	Savana 1500	LS
2006-2014	GMC	Savana 1500	LT
2003-2005	GMC	Savana 1500	SLE
2003-2017	GMC	Savana 2500	Base
2007-2017	GMC	Savana 2500	LS
2007-2017	GMC	Savana 2500	LT
2003-2005	GMC	Savana 2500	SLE
2003-2017	GMC	Savana 3500	Base
2006-2017	GMC	Savana 3500	LS
2006-2017	GMC	Savana 3500	LT
2003-2005	GMC	Savana 3500	SLE
2002-2005	GMC	Sierra 1500	Base
2001	GMC	Sierra 1500	C3
2002-2008	GMC	Sierra 1500	Denali
2002	GMC	Sierra 1500	HT
2005-2006,2009-2013	GMC	Sierra 1500	Hybrid
1999-2003,2006-2013	GMC	Sierra 1500	SL
1999-2013	GMC	Sierra 1500	SLE
1999-2013	GMC	Sierra 1500	SLT
2002-2013	GMC	Sierra 1500	WT
2010-2013	GMC	Sierra 1500	XFE
2007	GMC	Sierra 1500 Classic	Denali
2007	GMC	Sierra 1500 Classic	Hybrid
2007	GMC	Sierra 1500 Classic	SL
2007	GMC	Sierra 1500 Classic	SLE
2007	GMC	Sierra 1500 Classic	SLT
2007	GMC	Sierra 1500 Classic	WT
2001-2003,2005-2006	GMC	Sierra 1500 HD	SLE
2001-2003,2005-2006	GMC	Sierra 1500 HD	SLT
2007	GMC	Sierra 1500 HD Classic	SLE
2007	GMC	Sierra 1500 HD Classic	SLT
2002-2004	GMC	Sierra 2500	Base
1999-2002	GMC	Sierra 2500	SL
1999-2004	GMC	Sierra 2500	SLE
1999-2004	GMC	Sierra 2500	SLT
2003-2004	GMC	Sierra 2500	WT
2002-2005,2015-2017	GMC	Sierra 2500 HD	Base
2011-2017	GMC	Sierra 2500 HD	Denali
2001-2002,2006	GMC	Sierra 2500 HD	SL
2001-2017	GMC	Sierra 2500 HD	SLE
2001-2017	GMC	Sierra 2500 HD	SLT
2003-2014	GMC	Sierra 2500 HD	WT
2007	GMC	Sierra 2500 HD Classic	SL
2007	GMC	Sierra 2500 HD Classic	SLE
2007	GMC	Sierra 2500 HD Classic	SLT
2007	GMC	Sierra 2500 HD Classic	WT
2002-2005	GMC	Sierra 3500	Base
2001-2002,2006	GMC	Sierra 3500	SL
2001-2006	GMC	Sierra 3500	SLE
2001-2006	GMC	Sierra 3500	SLT
2004-2006	GMC	Sierra 3500	WT
2007	GMC	Sierra 3500 Classic	SL
2007	GMC	Sierra 3500 Classic	SLE
2007	GMC	Sierra 3500 Classic	SLT
2007	GMC	Sierra 3500 Classic	WT
2015-2017	GMC	Sierra 3500 HD	Base
2011-2017	GMC	Sierra 3500 HD	Denali
2007-2017	GMC	Sierra 3500 HD	SLE
2007-2017	GMC	Sierra 3500 HD	SLT
2007-2014	GMC	Sierra 3500 HD	WT
2001-2008	GMC	Yukon	Denali
2010-2013	GMC	Yukon	Denali Hybrid
2010-2013	GMC	Yukon	Hybrid
2006	GMC	Yukon	SL
2000-2014	GMC	Yukon	SLE
2000-2014	GMC	Yukon	SLT
2001-2008	GMC	Yukon XL 1500	Denali
2006	GMC	Yukon XL 1500	SL
2000-2014	GMC	Yukon XL 1500	SLE