Holley EFI Sealed USB Data Cable RG40003 2006-2006 GMC Sierra 3500

2006-2006 GMC Sierra 3500

Not recommended for street use

1968-1972 Oldsmobile Cutlass

Wheel Bearings with Dual Bolt Pattern (5x5-inch or 5x4

Holley EFI Sealed USB Data Cable RG40003 2006-2006 GMC Sierra 35007' long sealed USB data cable (comes with ECU's) 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