Holley Main Jets 54 #122-54 2535515 7 Sq Quick Change Collet

7 Sq Quick Change Collet to suit Quick Change Tapping Chucks

ASTM D 92 232

Lightweight and easy to move for cleaning

Dial Diameter : 55mm

Holley Main Jets 54 #122-54 2535515 7 Sq Quick Change ColletThese 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. Standard Main Jet . 054" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500