Holley EFI Universal MPFI Main Harness for HP EFI & Dominator EFI 3550224-13- XL Go EFI Series

Go EFI Series

Energy Release® has developed

1955-1960 GMC Truck CID 400

1973-1976 Chevrolet Laguna CID 283

have 1/4"-20 thread and a built-in ALL18560 captured washer

Holley EFI Universal MPFI Main Harness for HP EFI & Dominator EFI 3550224-13- XL Go EFI SeriesUniversal MPFI Main Harness for HP EFI and Dominator EFI Holley is quickly becoming The New Standard In EFI! Holley's HP ECU is standard equipment on the 2013 2014 Chevrolet COPO Camaro and Holley's EFI throttle body powers every NASCAR Cup Series team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who used