S&S Cycle 129″ Power Package Engine Performance Kit – Chain Drive – Oil Cooled – Non-Highlighted Fins – M8

Sale!
2026_06_21_1633725

S&S Cycle 129″ Power Package Engine Performance Kit – Chain Drive – Oil Cooled – Non-Highlighted Fins – M8

Original price was: $3,359.95.Current price is: $298.98.

SKU: 8255780651074 Category:

Description

  • Product
    • Transform 107″ oil-cooled M8 into 129″ with no case machining required
    • Big bore cylinders come with matching cam, cam plate and oil pump
    • Independent scavenge sections for flywheel cavity and cam chest
    • Magnet in cam chest to help prevent debris from entering oil pump
    • Feature high-performance conical single-wire S&S valve springs
    • Original engine serial numbers are retained
    • Passage plugs are removable for servicing
    • Debris screen in both scavenge pickups
    • MLS (multi-layered steel) head gaskets
    • Performance matched 550 cam
    • Works with stock crankcase
    • Made in the USA

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