Holley Main Jets 64 #122-64 G12SR4(G6Z) Exhaust Cutout Style: Manual

Exhaust Cutout Style: Manual

Somta 14mm Cobalt Long Bullnose Cutter For profiling and contour milling of slots and cavities

Installation: Bolt-on

UPC 082171095382

L-form shaft

Holley Main Jets 64 #122-64 G12SR4(G6Z) Exhaust Cutout Style: ManualThese 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