Holley Standard Main Jets . Size 45 # HO122-45 Rate_10 Primary Power Valve (Hg):

Primary Power Valve (Hg):

Fits Holley Model 4165 and Model 4175

Dual-plane Edelbrock Performer EPS intake manifolds deliver dyno-proven horsepower gains from idle to 5

Three Internal Bulk Heads for Superior Case Durability and Stability

If you are using this carburetor with a GM overdrive transmission TH700R4 or a TH200R4

Holley Standard Main Jets . Size 45 # HO122-45 Rate_10 Primary Power Valve (Hg):Holley Standard Main Jets . Size 45 # HO122 45 BRAND NEW GENUINE HOLLEY STANDARD MAIN JETS. SIZE 45SALE 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.