Standard Main Jet #60 HO122-60 Product:1/4-32" Thread, .060" Hole Size (Pair) 64-4300BLK

64-4300BLK

Copper/Fibre Performance Head Gasket 7525B-1 FE7525B-1 Suit Ford Flat Head 1949-53 3

250" UHL With 3/8" Socket Head 12PT BOLTS 5/16" UNC x 1

sprint car drivelines and much more

in-tank placement

Standard Main Jet #60 HO122-60 Product:1/4-32" Thread, .060" Hole Size (Pair) 64-4300BLKStandard Main Jet #601 4 32" Thread, . 060" Hole Size (Pair) HO122 60 122 60 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.