Holley Standard Main Jets . Size 40 # HO122-40 Rate_10 BluePrint Engines Cast Crankshaft

BluePrint Engines Cast Crankshaft

"Fuel Injection System

Valve Cover Breather Attachment:

Edelbrock Pro-Flo Universal Conical Air Filter Element 10

Holley Standard Main Jets . Size 40 # HO122-40 Rate_10 BluePrint Engines Cast CrankshaftHolley Standard Main Jets . Size 40 # HO122 40 ENUINE HOLLEY STANDARD MAIN JETS. SIZE 40SALE 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.