Holley Standard Main Jets . Size 78 # HO122-78 Rate_15 These Edelbrock carburetor spacers allow

These Edelbrock carburetor spacers allow you to space your carburetor above the intake flange to increase plenum area for more torque and horsepower

Ford AOD and Mopar A-727 and A-904 require additions installation components

8 Rib Crank Pulley

SIZE 65SALE IS FOR A PACKET OF 2 JETS

Holley Standard Main Jets . Size 78 # HO122-78 Rate_15 These Edelbrock carburetor spacers allowHolley Standard Main Jets . Size 78 # HO122 78 GENUINE HOLLEY STANDARD MAIN JETS. SALE IS FOR A PACKET OF 2 JETS. Fine tune your carburetor for street or race conditions. These Holley standard main jets are just what you need to fine tune your carburetor for street or race. Threaded for easy installation and removal, Holley jets are manufactured to high tolerances for consistency.