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Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
12-Point Head S/S5/16" UNC x 3
& 12 cylinder engines with points
45° Hose Barb 1/2" to -8ANBlack Finish
The LED lights will illuminate when you reach your shift point and flash when this RPM is exceeded
Today's all-out race engines demand the highest quality components at every step
Standard Main Jet #59 HO122-59 Pitman Arms 12-Point Head S/S5/16" UNC xStandard Main Jet #591 4 32" Thread, . 058" Hole Size (Pair) HO122 59 122 59 These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimetres 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.
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