Description
2001-2003 GMC Sierra 1500 HD Fleetside 78
Pre-set at 2
Aluminum O/S Oval Head Fasteners 7/16" x
Black Ceramic
to fit inside 3" duct style hose or inside some NACA ducts
Holley EFI LSx Injector Harness for HP EFI & Dominator EFI Ring & Pinion Installation Kit 2001-2003 GMC Sierra 1500 HDLSx Injector 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
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