Holley Main Jets 58 #122-58 6230160 Capacity: 80 to 120mm

Capacity: 80 to 120mm

Note 2 - big block frame stands and motor mounts must be used to ensure proper engine location and header fit

 For medium profiling

Resolution :

Japanese Bearings

Holley Main Jets 58 #122-58 6230160 Capacity: 80 to 120mmThese 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 . 058" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500