Holley Main Jets 58 #122-58 fluids-lubrication-lube-tools Their high flow design can

Their high flow design can help to improve engine performance by reducing oil filter restriction

Cutting length 26mm

W / Yelloband tap

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Standard ratchet combination wrenches: for all current applications

Holley Main Jets 58 #122-58 fluids-lubrication-lube-tools Their high flow design canThese 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 . 058" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500