Holley Standard Main Jets . Size 64 # HO122-64 Rate_Engine Mounts GM Type II Power

Mounts GM Type II Power Steering pump low on driver side and puts a Sanden Peanut style AC Compressor up on the passenger side

Square bore

while the stock profile versions clear accessories like air-conditioning and alternator brackets

when used with Edelbrock's Performer Series square bore or Thunder Series AVS carburetors

Edelbrock part #2921

Holley Standard Main Jets . Size 64 # HO122-64 Rate_Engine Mounts GM Type II PowerHolley Standard Main Jets . Size 64 # HO122 64 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.