Holley EFI Wire Harness - LS2/LS3/ LS7 Fuel Injectors Containment Seat Large stem for 5/8" hole

Large stem for 5/8" hole is the most popular size valve stem used in racing wheels

Can be used with all male AN adapters

1971-1978 Pontiac Grand Safari

165" Valve Pocketed Gasket Bore

Pressure Sensitive molded soles for shock absorption and maximum grip

Holley EFI Wire Harness - LS2/LS3/ LS7 Fuel Injectors Containment Seat Large stem for 5/8" holeGM LS2 LS3 LS7, 58X Crank Sensor, USCAR EV6 Injector 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