The Edelbrock part #357400 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 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 357400 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.

Specifications:

Bore Diameter	1.75
Description_ABR	EFI System
Description_ASM	Chevrolet:Small-Block Gen III LS1:346 (5.7L)
Description_ASM	Chevrolet:Small-Block Gen III LS2:364 (6.0L)
Description_ASM	Chevrolet:Small-Block Gen IV L99:376 (6.2L)
Description_ASM	Chevrolet:Small-Block Gen IV LMF:325 (5.3L)
Description_ASM	Chevrolet:Small-Block Gen IV LS2:364 (6.0L)
Description_ASM	Chevrolet:Small-Block Gen IV LS3:376 (6.2L)
Description_ASM	Chevrolet:Small-Block Gen IV LY5:325 (5.3L)
Description_ASM	Chevrolet:Small-Block LC9:325 (5.3L)
Description_ASM	Chevrolet:Small-Block LC9:325 (5.3L);Chevrolet:Small-Block LH8:325 (5.3L);Chevrolet:Small-Block LMG:325 (5.3L);Chevrolet:Small-Block Gen III LS1:346 (5.7L);Chevrolet:Small-Block Gen III LS2:364 (6.0L);Chevrolet:Small-Block Gen IV L99:376 (6.2L);Chevrolet:
Description_ASM	Chevrolet:Small-Block LH8:325 (5.3L)
Description_ASM	Chevrolet:Small-Block LMG:325 (5.3L)
Description_DEF	Fuel Injection System
Description_DES	EFI KIT
Description_EXT	Edelbrock Pro-Flo 4 EFI kit for Chevy LS GEN III/IV engines. The EFI kit comes with a 4150-Style satin finish Victor Jr. rectangle port intake and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. No Tablet Included
Description_FAB	Complete Engineered System For The Ultimate In Performance
Description_FAB	New ECU Preloaded w/80 Dyno-Tuned Calibrations
Description_FAB	Self Learning EFI System
Description_INV	Edel Pro-Flo 4 XT EFI Sys LS Gen III/IV
Description_KEY	Edelbrock; EFI; Pro-Flo; Pro-Flo XT; EFI; Fuel Injection; Electronic Fuel Injection; Chevy; Chevrolet; LS GEN III; GEN IV; 357400
Description_LAB	Pro-Flo 4 EFI Traditional 4150-Style Kit #357400 Chevy LS Gen III/IV w/o Tablet
Description_MKT	The Edelbrock part #357400 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 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 357400 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.
Description_MKT	The Edelbrock part #357400 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 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 357400 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.
Description_SHO	{ Sellable : Yes }
Description_SHP	{ eo : 6in.}
Description_TRA	This kit will require a high pressure EFI fuel delivery system. Fuel delivery systems are available and sold separately. LS kits will require a coil harness which is sold separately. 24(x) reluctor applications will require #37-1633 and 58(x) reluctor applications will require #37-1632. #357400 manifold height: 7.40". Throttle body height: 2.530"
Description_TRA	This kit will require a high pressure EFI fuel delivery system. Fuel delivery systems are available and sold separately. LS kits will require a coil harness which is sold separately. 24(x) reluctor applications will require #37-1633 and 58(x) reluctor applications will require #37-1632. #357400 manifold height: 7.40in. Throttle body height: 2.530in.
Distributor Cap Included	Yes
finish	Satin
Flange Type	4150
Fuel Injector Type	35 lb/hr
Fuel Pressure Port	1/8-27 NPT
Gasket Or Seal Included	Yes
Hardware Included	Yes
height	10.31
length	30.19
Manifold Height	7.40
Maximum Horsepower	550
Quantity	Kit
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.
System Type	Traditional 4150-Style Kit
Throttle Body Type	4 Barrel
weight	44.0
width	25.25
Wire Harness Included	Yes
Wiring Harness Included	Yes