Holley Standard Main Jets . Size 50 # HO122-50 Rate_15 These headers come complete with

These headers come complete with gaskets

Valve Cover Hold-Down Tabs

and are available in your choice of demand (no return line) or by-pass (with a return line) styles

3 Groove Crank Pulley (BBCL3CR)

BluePrint Engines Cast Crankshaft

Holley Standard Main Jets . Size 50 # HO122-50 Rate_15 These headers come complete withHolley Standard Main Jets . Size 50 # HO122 50 BRAND NEW GENUINE HOLLEY STANDARD MAIN JETS. SIZE 50SALE IS FOR A PACKET OF 2 JETS. FREE DELIVERY ON THIS ITEM. FANTASTIC PRICE. 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.