Holley Standard Main Jet #43 HO122-43 Cam Bolts 1" (155mm) High x 6

1" (155mm) High x 6

Designer Black Series Quad Gauge3-3/8"

Part Number: AF9551-1012

reaching the depth of hardness needed for their unsurpassed level of safety

Holley Standard Main Jet #43 HO122-43 Cam Bolts 1" (155mm) High x 6Standard Main Jet #431 4 32" Thread, . 043" Hole Size (Pair) Brand: HOLLEY Part Number: HO122 43 Description: These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimetres 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.