Holley Main Jets 73 #122-73 239013 ) x 1/8in Imperial O-Ring

) x 1/8in Imperial O-Ring -10pk

1 pc 1/4" universal joint

only 345 grams

• Head Weight: 32oz • Overall Weight: 1280g • Head Diameter: 29mm • Overall Length: 380mm

0mm(5/32”)

Holley Main Jets 73 #122-73 239013 ) x 1/8in Imperial O-RingThese 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