Holley Main Jets 68 Pair #122-68 power-tools-sanders-polishers 1" HSS Taper Shank Drill

1" HSS Taper Shank Drill

6mm Width 34-39mm Bore

vacuum brake and clutch bleeding

M12 x 30mm Set Screw 10 pcs

SERIES 2 1979-1983 (Rear)

Holley Main Jets 68 Pair #122-68 power-tools-sanders-polishers 1" HSS Taper Shank DrillThese 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 : Standard Main Jet . 068" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500