Holley EFI Ignition Adapter Harness - MSD Distributors to Holley EFI 8B663HC-001 With a long tradition of

With a long tradition of innovation

Moroso GM LS-Series Valve Covers

NOTE: Sold individually

This plug and play remote IAC kit utilizes the factory Sniper EFI wiring and IAC connector to relocate the IAC off of the throttle body for a clean installation

Eliminates excessive bearing temperatures and hub pressure build-up due to overpacking

Holley EFI Ignition Adapter Harness - MSD Distributors to Holley EFI 8B663HC-001 With a long tradition ofDesigned to plug and play with MSD Pro Billet distributors and Holley EFI main harnesses with an ignition connector, such as part number 558 104. Product Description: EFI Wiring Harness Ignition Adapter Harness MSD Distributors to Holley EFI Holley is quickly becoming The New Standard In EFI! Holleys HP ECU is standard equipment on the 2013 2014 Chevrolet COPO Camaro and Holleys EFI throttle body powers every NASCAR Sprint Cup Series team. Top racers