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    PowerPak WaterCool 4.25""Bore4.375""Stroke M8 Blk w/Highlite

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    In stock
    SKU
    09040146
    S+S CYCLE
    Special Price €4,197.00 Regular Price €4,796.00 -12%
    Dispatching between 04.11.2026 and 17.11.2026
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    • Bolt-on kit
    • With updated fins
    • No case machining required
    • Forged pistons
    • Made in the USA
    • Includes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve springs
    • Oil Pump/Cam Plate:
    • Precision machined from billet aluminum
    • Passage plugs removable for servicing
    • Independent scavenge sections for flywheel cavity and camchest
    • Debris screens in both scavenge pickups
    • Magnet in camchest to help to stop debris from entering oil pump
    • 44% flow increase on supply side and 58% flow increase on scavenge side
    • Pressure relief valve is adjustable with unit installed in engine
    • Pushrods:
    • Quickee pushrods
    • Tappets:
    • Hand assembled to exacting tolerances
    • Reduced valve train noise from start up to shut down
    • Close tolerances for low leak down rates
    • Tappet Cuffs:
    • Hard anodized black coating
    • Billet aluminum construction
    • Tappet stability in high lift and high rpm sitiuations
    • Camshaft:
    • S&S 550 camshaft - designed for big bore applications
    • Valve Springs:
    • Works well with camshafts up to 0.605" lift
    • High performance conical single wire spring
    • Includes top collars, keepers, valve seals and bottom collars
    Brand
    S&S CYCLE
    Vendor Part Number
    310-1050C
    Bore Size
    4,250"
    Cam Drive Type
    Chain
    Color/Finish
    Black, Highlighted Fins
    Compression Ratio
    11,1:1
    Cooling System
    Water Cooled
    Displacement
    124"
    Features
    Quickee Pushrods w/Chrome Covers, Includes Cam Chain Tensioner
    Model
    Power Package
    Product Name
    Performance Kit
    Stroke Length
    4,375"
    Type
    Big Bore
    Units
    Kit
    More Information
    Weight 19.890000
    Height 491
    Width 298
    Brand S+S CYCLE
    Lenght 683
    Availability In the central warehouse
    Supplier reference 310-1050C
    Ships in 21-30 tööpäeva
    Campains Suvelõpu tühjendus
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    • FLTRK 1868 ABS2020-2024
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