Standard Main Jet #60 HO122-60 Product:1/4-32" Thread, .060" Hole Size (Pair) 1 HP Reduction Ratio: 4

1 HP Reduction Ratio: 4

8005-4001BLK

This is a brand new master cylinder

in-tank placement

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

Standard Main Jet #60 HO122-60 Product:1/4-32" Thread, .060" Hole Size (Pair) 1 HP Reduction Ratio: 4Standard 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.