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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Designed for street 396-502 Chevrolet with high-performance rectangular port heads
RPM operating range 2200 - 6100 Duration advertised Inlet 287°
S/S cotter pins and black dust covers
Endure-X lifters feature EDM Oil Injection technology which ensures the bearing assembly receives a constant flow of pressurised oil
designed to fit closer to the hood for a sleeker
Standard Main Jet #92 HO122-92 Product:1/4-32" Thread, .1100" Hole Size (Pair) Designed for street 396-502 ChevroletStandard Main Jet #921 4 32" Thread, . 1100" Hole Size (Pair) HO122 92 122 92 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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