Pro-Flo 4 EFI XT-Style Kit #35720 For Chevrolet LS Gen III/IV (35720)
000853473572084 interest-free payments or as low as $—/mo with Affirm. See if you qualify
Compatibility
- Platform
- LS/LT
- Vehicle-specific fitment
- Review application details below
- Need help?
- Confirm fitment with us before ordering — (714) 202-7886
We list the engine platform a part is built for. That is not year-and-trim application data, so it does not confirm a fit on your specific vehicle.
- Est. install labor: 14.0 hrs — $1,750 at $125/hr. Pick Install at HRC and a 20% labor deposit ($350) is due at checkout; the balance is due at completion.
- An estimate for a stock vehicle, not a quote — we confirm it in writing when you book, before any labor is authorized. Seized hardware, prior modifications, diagnosis and machine work are quoted separately; tuning is arranged through our tuning partner. Questions: (714) 202-7886.
- Warranty & track disclaimer — read before you race it.
- Shipping & returns — rates and RMA terms.
- Installed in-house in Huntington Beach, CA — labor & service policy.
- Affirm and PayPal available at checkout.
More ways to pay at checkout
The Edelbrock part #35720 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 satin finish intake manifold and 29 Lb/Hr injectors capable of 450 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.
| Part Type | Fuel Injection System |
|---|---|
| RGL | WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov. |
| Quantity | Kit |
| System Type | XT-Style Kit |
| Manifold Height | A-10.2 in, B-10.0 in, C-16.9 in, D-3.2 in, E-15 Degrees |
| Finish | Satin |
| Wiring Harness Included | Yes |
| Maximum Horsepower | 450 |
| Flange Type | XT-Style |
| Distributor Cap Included | Yes |
| Wire Harness Included | Yes |
| Fuel Pressure Port | 1/8-27 NPT |
| Bore Diameter | 90 mm |
| Fuel Injector Type | 29 lb/hr |
| Gasket Or Seal Included | Yes |
| Throttle Body Type | Single Blade |
| Weight | 42 lb |
| UPC | 00085347357208 |
| Country of Origin | USA |
Verified fitment · 134 applications
- Chevrolet Avalanche 1500 5.3L (2002–2006)
- Chevrolet Avalanche 5.3L (2007–2009)
- Chevrolet B7 6.0L (1997–1998)
- Chevrolet C6500 Kodiak 6.0L (1997–1998)
- Chevrolet C7500 Kodiak 6.0L (1997–1998)
- Chevrolet Cheyenne 5.3L (2007–2013)
- Chevrolet Colorado 5.3L (2009–2012)
- Chevrolet Corvette 6.0L (2005–2007)
- Chevrolet Express 1500 5.3L (2003–2009)
- Chevrolet Express 2500 5.3L (2003–2005)
- Chevrolet Express 3500 5.3L (2003–2005)
- Chevrolet Express Cargo 6.0L (2010–2013)
- Chevrolet Express Pasajeros 5.3L (2010–2013)
- Chevrolet Express Pasajeros 6.0L (2010–2013)
- Chevrolet Impala 5.3L (2006–2009)
- Chevrolet Monte Carlo 5.3L (2006–2007)
- Chevrolet SSR 5.3L (2003–2004)
- Chevrolet Silverado 1500 5.3L (1999–2009)
- Chevrolet Silverado 1500 Classic 5.3L (2007)
- Chevrolet Silverado 2500 5.3L (1999–2013)
- Chevrolet Silverado 2500 HD 6.0L (2011–2013)
- Chevrolet Silverado 3500 6.0L (2008–2013)
- Chevrolet Silverado 3500 HD 6.0L (2011–2013)
- Chevrolet Suburban 1500 5.3L (2000–2013)
- Chevrolet Suburban 1500 6.0L (2011–2013)
- Chevrolet T6500 6.0L (1997–1998)
- Chevrolet T7500 6.0L (1997–1998)
- Chevrolet Tahoe 5.3L (2000–2013)
- Chevrolet Trailblazer 5.3L (2006–2008)
- Chevrolet Trailblazer EXT 5.3L (2003–2006)
| Part No. | 35720 |
|---|---|
| Brand | Edelbrock |
| Part Type | Fuel Injection System |
| Weight | 42 lb |
| UPC | 00085347357208 |
| Country of Origin | USA |
Platform-level fitment (Ford + GM, Phase 1). We publish the engine platform a part is built for — not year-and-trim application data — so nothing here confirms a fit on a specific vehicle. Confirm fitment with us before ordering: (714) 202-7886.
Commonly Needed With This
Parts builders usually buy alongside this one — gaskets, seals and hardware for the install. These are suggestions, not a verified fit: call (714) 202-7886 to confirm before ordering.
