Holley Main Jets 56 #122-56 ABRA6007F Construction: Ball bearing + thrust

Construction: Ball bearing + thrust bearing + needle roller

Cap Screws

25 x M30 x 60 x 3 ZINC PLATED HEAVY DUTY

with the characteristic V-ribs which is resistant to oil and temperature stresses

• Size: 1/2 inch • Length: 55mm

Holley Main Jets 56 #122-56 ABRA6007F Construction: Ball bearing + thrustThese 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 . 056" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500