Holley Main Jets 77 #122-77 2533650 -Solid Carbide 4 Flute EndMill

-Solid Carbide 4 Flute EndMill R30 N -Suitable for

by 45° downwards and by 90° upwards

M6 Spring washers 60 pcs

adaptors B + E

Shank : 16mm dia straight

Holley Main Jets 77 #122-77 2533650 -Solid Carbide 4 Flute EndMillThese 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 . 077" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500