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310-1398A

S&S Cycle Engine Performance Kit

    • Updated profile to fit M8 models including the VVT models
    • Big bore bolt-on kit increases 107" M8 to 129" with no case machining required
    • S&S oil pump/cam plate
    • Passage plugs are removable for servicing
    • Independent scavenge sections for flywheel cavity and cam chest
    • Debris screen in both scavenge pickups
    • Magnet in cam chest to help prevent debris from entering the oil pump
    • Increased oil flow capacity on both the oil feed and scavenge side
    • Adjustable pressure relief valve can be adjusted with the unit installed in the engine
    • Quickee pushrods with pushrod tubes
    • S&S premium tappets
    • S&S hard anodized, black coated tappet cuffs are billet aluminum construction
    • S&S valve springs; work with cams up to 0.605" lift
    • High performance conical single wire spring design
    • MLS (multi-layered steel) head gasket
    • 496 camshaft
    • Made in the USA

    Notes

    • Retains stock engine height.
    • Works with stock crankcases.
    • Works with the stock and S&S roller rocker arms.
    • Original engine serial numbers are retained.
    • Compatible with the stock valve springs, both first generation (round port) and second generation (oval port).
Cam Drive Type
Color/Finish
HIGHLIGHTED FINS / WRINKLE BLACK
NON-HIGHLIGHTED FINS / WRINKLE BLACK
Features

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