Chev LS3 Edelbrock Pro-Flo 4 EFI System # ED35750Chev LS3 Edelbrock Pro Flo 4 EFI System # ED35750 "Fuel Injection System, Pro Flo 4, Self Learning, Sequential Multi Port, Satin, 675 HP Max, Gen III IV LS Rectangular Port, Kit Injection Style: Multi port Fuel Injection System Type: Single 4 Barrel Throttle Body (4150 Flange) Maximum Horsepower with Gas: 675 Timing Control Compatible: Yes Power Adder Compatible: Yes ECM Included: Yes Self Tuning: Yes User Tunable: Yes Fuel Pump Included: No EGR: No