Holley Main Jets 58 #122-58 fluids-lubrication-lube-tools black oxide

black oxide

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

Trubor 17/32" Hss Std Slot Drill For general milling of slots & cavities

Cutting length 26mm

Reversible: No

Holley Main Jets 58 #122-58 fluids-lubrication-lube-tools black oxideThese 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