Holley Standard Main Jet #88 (HO122-88) fork Water/methanol injection also offers a

Water/methanol injection also offers a host of benefits that promote engine longevity

GM LS Cathedral Port Carburettor Hi Rise Single Plane Non-EFI Intake Manifold

Digital Touch Screen

pins & pin lock

Holley Standard Main Jet #88 (HO122-88) fork Water/methanol injection also offers aHO122 88 HOLLEY MAIN JETS, 2 PACK (88) 1 4 32" Thread, . 1025" Hole Size (Pair) Part Number: HO122 88 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.