Holley Standard Main Jet #88 (HO122-88) fork you can be sure that

you can be sure that they will withstand the high temperatures and pressures of your cooling system for years to come

Have a nitrous or forced induction powerplant that also sees street duty

pins & pin lock

it will also allow room for 4" downpipes with space for 2

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

Holley Standard Main Jet #88 (HO122-88) fork you can be sure thatHO122 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.