Holley Main Jets 77 #122-77 1220410 Hands Free in metal and

Hands Free in metal and frame work

1/2" Drive 12 Point Standard Metric Socket 12mm Off-corner loading design reduces fastener rounding Chamfered opening to guide fastener into Socket Large hard-stamped size identification

FORD WSS-M2C961-A1

Long length of mounting bracket: 270mm

2 F22B 4WD

Holley Main Jets 77 #122-77 1220410 Hands Free in metal andThese 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