SNIPER 2 BLACK 5 RETURNLESS RETROFIT

The Holley 550-511-5XD Sniper 2 Black 5 Inch Returnless Retrofit system converts classic vehicles to modern fuel injection for improved cold starts, drivability, and fuel economy. It features simplified wiring, a calibration wizard for self-tuning, and supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors. It has enhanced RF noise resistance, redesigned throttle shaft/plate, and integrated transmission kick-down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6. This system is a universal fit by dimension for common 4-barrel (4150 flange) style carburetors.