Holley Main Jets 73 #122-73 4823300 allowing easy access to the

allowing easy access to the kit components

inflation nozzle

heat-treated lever

staple puller

Engine Oil Seal Set Vertex CRF450R CRF450RX 17-20

Holley Main Jets 73 #122-73 4823300 allowing easy access to 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 . 073" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500