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Automatically adjusts the jaws to the component
• For roughing and finishing of powder metal (iron)
PCA18 virgin grade plastic (no regrind)
dirt and scale
Holley Main Jets 66 #122-66 6053180 Automatically adjusts the jaws toThese 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
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