Holley EFI Dual Sync Distributor SB Chevy/BB Chevy Door Accessories NOTE: Extra long thread allows

NOTE: Extra long thread allows more adjustment

310 in Valve Stem

Stiff enough to support body panels

1967-1976 Mercury Cougar

Holley EFI Dual Sync Distributor SB Chevy/BB Chevy Door Accessories NOTE: Extra long thread allowsHolley 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 win the 2013 JEGS All Star race. But that's not