Holley Main Jets 64 #122-64 G12SR4(G6Z) Bi-material grip resists to impacts

Bi-material grip resists to impacts

Insert to suit R220

Exhaust Cutout Style: Manual

World Famous Crescent brand maximum jaw opening per ASME specs

heat-treated durable steel with black oxide finish to resist corrosionspecially designed for 1 on 2 step models

Holley Main Jets 64 #122-64 G12SR4(G6Z) Bi-material grip resists to impactsThese 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. Features: Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 Sizes from 40 110 1 4 32 Thread . 064" Jet size Standard Main Jet Jet Hole