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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
will fit most 4 barrel manifolds
CAU18100-3
Originally designed for use on 1932 Fords
Billet Specialties air cleaners are truly in a class by themselves
Standard Main Jet #49 HO122-49 Product:1/4-32" Thread, .048" Hole Size (Pair) will fit most 4 barrelStandard Main Jet #491 4 32" Thread, . 048" Hole Size (Pair) HO122 49 122 49 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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