Holley Main Jets 63 #122-63 TOP4323 - fixing system using the

- fixing system using the original screws under the chain shoe and the cable guide of the brake

1/8 x 3 100pcs PLAIN FINISH HEAVY DUTY

With two carry loops

HIKOKI 6x160x100mm SDS Plus - 25 Pack

Holley Main Jets 63 #122-63 TOP4323 - fixing system using theThese 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