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Standard Main Jet #63 HO122-63 Product:1/4-32" Thread, .062" Hole Size (Pair) Supercharged combinations with little or

SKU: 76347771834
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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23

Size: 4
Description

Supercharged combinations with little or no additional modifications

AF4250-5414M

625” bore)

AF200-16-1M

Standard Main Jet #63 HO122-63 Product:1/4-32" Thread, .062" Hole Size (Pair) Supercharged combinations with little orStandard Main Jet #631 4 32" Thread, . 062" Hole Size (Pair) HO122 63 122 63 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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