# Edelbrock Pro Flo 4 EFI System Seq Port LS Gen III/IV Victor Jr Rect Port 550 HP Max 35lb/hr The Edelbrock part #35740 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. rectangle port 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. - New ECU Preloaded w/80 Dyno-Tuned Calibrations This Part Fits: Year Make Model Submodel 2001-2004 Avanti II Base 2004-2007,2009-2015 Cadillac CTS V 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 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 2014-2018 Chevrolet Silverado 1500 High Country 2014-2018 Chevrolet Silverado 1500 LTZ 2014-2017 Chevrolet SS Base 2005-2006 Chevrolet SSR Base 2008 Chevrolet Tahoe LTZ 2006-2009 Chevrolet Trailblazer SS 1998-2002 Pontiac Firebird Formula 1998-2002 Pontiac Firebird Trans Am 2009 Pontiac G8 GXP 2004-2006 Pontiac GTO Base ## Details - **Price:** 3310.53 CAD - **Vendor:** Edelbrock - **Type:** Fuel Injection Control Modules ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 3310.53 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - Primary - User 1 - User 4 - User 3 --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/edelbrock-pro-flo-4-efi-system-seq-port-ls-gen-iii-iv-victor-jr-rect-port-550-hp-max-35lb-hr) > Updated: 2026-06-27