Holley EFI V8 over manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI & Dominator EFI 741011 2018 GMC Sierra 1500 RWD

2018 GMC Sierra 1500 RWD 78

An included billet aluminum fitting allows OE connections to transfer over seamlessly

If not cleaned or replaced regularly

NASCAR and SCCA regulations

Holley EFI V8 over manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI & Dominator EFI 741011 2018 GMC Sierra 1500 RWDV8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI & 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