Holley Standard Main Jets . Size 78 # HO122-78 Rate_Engine Size 100 # HO122-100

Size 100 # HO122-100

Tall profile valve covers are 2 in

There are 3 major differences between the GM and Ford Alternators and this kit solves all 3 issues:

Ford 1-Wire Alternator

Water Neck Gasket Included:No

Holley Standard Main Jets . Size 78 # HO122-78 Rate_Engine Size 100 # HO122-100Holley 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.