Holley Standard Main Jets . Size 49 # HO122-49 Rate_20 BluePrint Aluminum Cylinder Heads -

BluePrint Aluminum Cylinder Heads - HP810364cc chamber2

for Edelbrock Performer Square Bore Carburetor

Q-jet carburetors

Tuning and set-up app can be downloaded to a Bluetooth capable tablet or smart phone from either the Apple or Google app stores

3" Diameter

Holley Standard Main Jets . Size 49 # HO122-49 Rate_20 BluePrint Aluminum Cylinder Heads -Holley Standard Main Jets . Size 49 # HO122 49 HOLLEY STANDARD MAIN JETS. SIZE 49SALE 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.