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AF741-12-12
AF250-12-15M
880 Elite Series Full Flow Cutter Swivel 45° Hose End -4ANSuits 100 & 450 Series Hose
64-4032BLK
Adjusting nut dependent on installed studs
Standard Main Jet #40 HO122-40 Product:1/4-32" Thread, .040" Hole Size (Pair) AF741-12-12Standard Main Jet #401 4 32" Thread, . 040" Hole Size (Pair) HO122 40 122 40 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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