S&S CYCLE

POWER PK 129 GEAR OC M8

129" Power Package Engine Performance Kit

  • 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


  • Kit includes camplate, 550G camshaft kit, Quickee pushrod kit with gloss black covers, tappet cuffs lifter guide, spring kit, big bore cylinder kit, oil cooled oil pump and hydraulic tappet set.
    € 2.970,15 incl. VAT

    Out of stock

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    We prepare your vehicle for the road
    Large assortment
    Specialized in recreational vehicles
    129" Power Package Engine Performance Kit

  • 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


  • Kit includes camplate, 550G camshaft kit, Quickee pushrod kit with gloss black covers, tappet cuffs lifter guide, spring kit, big bore cylinder kit, oil cooled oil pump and hydraulic tappet set.
    Article number
    09040113:310-1228
    Bore Size
    4,320"
    Bore Size Imperial
    4.320"
    Cam Drive Type
    Gear
    Color/Finish
    Black| Non-Highlighted Fins
    Cooling System
    Oil Cooled
    Displacement
    129"
    Features
    Black Pushrod Tubes
    Model
    Power Package
    Product Name
    Performance Kit
    Research Value
    Finalized
    Riding Style
    Street
    Stroke Length
    4,375"
    Stroke Length Imperial
    4.375"
    Style
    Big Bore
    Type
    Engine
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    Why QFF?

    Specializing in recreational vehicles

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    Specializing in recreational vehicles

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