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Billet Specialties air cleaners are truly in a class by themselves
CAU18100-3
Affordable aluminium option rocker arms Strength properties of aluminium and light weight Needle bearing fulcrum and roller tip reduce friction and lower oil temps for improved response and horsepower Designed for street and moderate race use
will fit most 4 barrel manifolds
BSRS035406122N
Standard Main Jet #49 HO122-49 Product:1/4-32" Thread, .048" Hole Size (Pair) Billet Specialties air cleaners areStandard 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.
