Holley Main Jets 54 #122-54 Flang10.9M8x20Z GEARWRENCH's roto ratchets feature our

GEARWRENCH's roto ratchets feature our 270° rotating ratchet head allowing for maximum speed and access for your job

ILSAC GF-5

Oil restricting baffles are offered in many valve covers for those who wish to maintain the PCV hookup

- To Suit BMW 7 SERIES E32 WITH ELECTRONIC DAMPING 1986-1994 (Front)

72 tooth mechanism for 5° increments

Holley Main Jets 54 #122-54 Flang10.9M8x20Z GEARWRENCH's roto ratchets feature ourThese metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters 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. Standard Main Jet . 054" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500