Holley EFI LS1 Main Harness for HP EFI & Dominator EFI 11000404 If you are doing a

If you are doing a Transmission swap you need our crossmember

Vehicle Applications: 81-00 Buick 4

insert a blade into groover

Narrow Design-w/No Knobs

CNC-Machined 6061 Aluminum Construction

Holley EFI LS1 Main Harness for HP EFI & Dominator EFI 11000404 If you are doing aLS1 6 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 it to win