Holley 550510 Electronic Fuel Injection Holley Performance 550-510 Sniper EFI Self-Tuning Kit; 4150 Flange Carburetor Replacement; Throttle Body Mounted ECU; Supports Up To 600hp/1200hp; 4 Wire Veh. Connection; Shiny Finish; Shiny Holley 550-510 Warranty: Yes