Holley EFI Main Power Harness H753C42 8-1/2 in Long x 1-1/2

8-1/2 in Long x 1-1/2 in Wide x 3/4 in Tall

Eibach Springs are guaranteed to remain within 3% rate and height for the life of the spring

Universal brackets fit virtually all common LS engines regardless of water pump and harmonic balancer offsets reducing cost and complexity compared to competitive products

480 Harmonic Damper - SFI 918635

Holley EFI Main Power Harness H753C42 8-1/2 in Long x 1-1/2Main Power Harness for Avenger EFI, 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