Holley Carburetor Standard Main Jet #109, .150" 31014BK these aluminum heads provide impressive

these aluminum heads provide impressive torque figures at higher rpm levels

including oil filter mounts

For Small Block Chevrolet applications with Brodix Pontiac design heads

wiring connections are available to connect to the most common car radio systems

Holley Carburetor Standard Main Jet #109, .150" 31014BK these aluminum heads provide impressiveThese metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main Jets are flow tested and then stamped with the correct number. Installation Notes: NOT FOR USE WITH CARURETORS ORIGINALY DESIGNED FOR ALCOHOL Features: Standard Main Jet . 126" Jet size 1 4 32 Thread Sizes from