Holley Main Jets 58 #122-58 fluids-lubrication-lube-tools Reversible: No

Reversible: No

W / Yelloband tap

Standard ratchet combination wrenches: for all current applications

For Kafer Dial test indicators (with dovetail)

Groz manufactures a comprehensive range of mechanics vices useful for all medium to heavy duty applications

Holley Main Jets 58 #122-58 fluids-lubrication-lube-tools Reversible: NoThese 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