Holley Sniper EFI 2300 Two-Barrel Fuel Injection System # HO550-852Holley Sniper EFI 2300 Two Barrel Fuel Injection System # HO550 852 Fuel Injection System, Sniper EFI 2300 Two Barrel, Cast Aluminum, Tumble Polished, Kit Fuel Injection Style: Throttle body Fuel Injection System Type: Single 2 Barrel Throttle Body (2300 Flange) Maximum Horsepower with Gas: 650 Timing Control Compatible: Yes Power Adder Compatible: Yes ECM Included: Yes Self Tuning: Yes User Tunable: Yes Fuel Pump Included: No EGR: No Transmission