Holley Main Jets 63 #122-63 TOP4323 1/8 x 3 100pcs PLAIN

1/8 x 3 100pcs PLAIN FINISH HEAVY DUTY

With two carry loops

koken - 1/4" dr torx socket set on rail - 7pc - contents: 2025-28 torx bit sockets - t10

12 Piece Locking plier Set Ð Genius #CP-5312

Holley Main Jets 63 #122-63 TOP4323 1/8 x 3 100pcs PLAINThese 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 . 063" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500