Holley Main Jets 66 #122-66 6053180 With 3day power reserve (exchangeable

With 3day power reserve (exchangeable NiMH rechargeable battery)

• For roughing and finishing of powder metal (iron)

5 year warranty

PCA18 virgin grade plastic (no regrind)

Thread File No

Holley Main Jets 66 #122-66 6053180 With 3day power reserve (exchangeableThese 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 . 066" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500