S&S CYCLE

POWERPAK OILCOOL 4.320BORE 4 1

132" Power Package for M8

  • Big-bore bolt-in kit increases 114"/117" engine with 4.5" stroke M8 to 132" engine with no case machining required
  • 4.32" bore cylinders with 11.0:1 compression ratio forged pistons
  • S&S oil pump/cam plate with blue anodized finish
  • 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
  • S&S premium tappets
  • S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
  • S&S 550 cams are designed for big bore applications
  • S&S valve springs work with cams up to 0.605" lift
  • High-performance conical single wire spring design
  • Exhaust gasket, cylinder base gasket, and head gasket included
  • Made in the USA
  • Not for 121" CVO.
  • Not for any Trike models.


  • € 4.968,31 incl. VAT

    Out of stock

    Ask about delivery time
    We prepare your vehicle for the road
    Large assortment
    Specialized in recreational vehicles
    132" Power Package for M8

  • Big-bore bolt-in kit increases 114"/117" engine with 4.5" stroke M8 to 132" engine with no case machining required
  • 4.32" bore cylinders with 11.0:1 compression ratio forged pistons
  • S&S oil pump/cam plate with blue anodized finish
  • 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
  • S&S premium tappets
  • S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
  • S&S 550 cams are designed for big bore applications
  • S&S valve springs work with cams up to 0.605" lift
  • High-performance conical single wire spring design
  • Exhaust gasket, cylinder base gasket, and head gasket included
  • Made in the USA
  • Not for 121" CVO.
  • Not for any Trike models.


  • Article number
    09040154:310-1238C
    Bore Size
    4,320"
    Bore Size Imperial
    4.320"
    Cam Drive Type
    Gear
    Color/Finish
    Black Granite| Highlighted Fins
    Compression Ratio
    11,0:1
    Compression Ratio Imperial
    11.0:1
    Cooling System
    Oil Cooled
    Displacement
    132"
    Features
    Chrome Pushrod Tubes
    Model
    Power Package
    Product Name
    Performance Kit
    Research Value
    Finalized
    Riding Style
    Street
    Stroke Length
    4-1/2"
    Stroke Length Imperial
    4-1/2"
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    Engine
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    Why QFF?

    Specializing in recreational vehicles

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    Specializing in recreational vehicles

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