Holley Main Jets 68 Pair #122-68 5056190 - Strong core with internal

- Strong core with internal coolant supply

Nilfisk 50mm Rubber Crevice Tool

Outlet Diameter (in) 2

Metric Set 10mm and 12mm Set

75 in (146 mm)

Holley Main Jets 68 Pair #122-68 5056190 - Strong core with internalThese 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