Pro-Flo 4 EFI XT-Style Kit #357300 For Chevrolet LS Gen III/IV w/o Tablet (357300)
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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 #357300 Pro-Flo 4 XT EFI System for Chevrolet LS GEN III/IV engines is equipped with the latest 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 as well as multiple dash displays so you can monitor your engines vitals and performance. 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. Please Note "Kit 357300 DOES NOT include a 7" Android 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 installed. Pro-Flo 4 does not require laptop tuning.
| Part Type | Fuel Injection System |
|---|---|
| Wire Harness Included | Yes |
| Finish | Satin |
| Wiring Harness Included | Yes |
| System Type | XT-Style Kit |
| Distributor Cap Included | Yes |
| 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. |
| Gasket Or Seal Included | Yes |
| Fuel Injector Type | 35 lb/hr |
| Fuel Pressure Port | 1/8-27 NPT |
| Bore Diameter | 90 mm |
| Throttle Body Type | Single Blade |
| Maximum Horsepower | 550 |
| Quantity | Kit |
| Flange Type | XT-Style |
| Manifold Height | A-10.2 in, B-10.0 in, C-16.9 in, D-3.2 in, E-15 Degrees |
| Weight | 32 lb |
| UPC | 00085347890125 |
| Country of Origin | USA |
Verified fitment · 81 applications
- Buick Allure 5.3L (2008–2009)
- Buick LaCrosse 5.3L (2008–2009)
- Cadillac CTS 5.7L (2004–2005)
- Cadillac CTS 6.0L (2006–2007)
- Cadillac CTS 6.2L (2009–2015)
- Chevrolet Camaro 5.7L (1998–2002)
- Chevrolet Camaro 6.2L (2010–2015)
- Chevrolet Camaro 7.0L (2014–2015)
- Chevrolet Corvette 5.7L (1997–2004)
- Chevrolet Corvette 6.0L (2006–2007)
- Chevrolet Corvette 6.2L (2008–2013)
- Chevrolet Corvette 7.0L (2006–2013)
- Chevrolet Impala 5.3L (2006–2009)
- Chevrolet Monte Carlo 5.3L (2006–2007)
- Chevrolet SS 6.2L (2014–2017)
- Chevrolet SSR 6.0L (2005–2006)
- Chevrolet Trailblazer 6.0L (2006–2009)
- Pontiac Firebird 5.7L (1998–2002)
- Pontiac G8 6.2L (2009)
- Pontiac GTO 5.7L (2004)
- Pontiac GTO 6.0L (2005–2006)
- Pontiac Grand Prix 5.3L (2005–2008)
| Part No. | 357300 |
|---|---|
| Brand | Edelbrock |
| Part Type | Fuel Injection System |
| Weight | 32 lb |
| UPC | 00085347890125 |
| 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.
