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PowerPak Oil Cool 4.25""Bore4.375""Stroke M8 Blk Granite w/HL

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In stock
SKU
09040135
S+S CYCLE
Special Price €4,197.00 Regular Price €4,796.00
Dispatching between 03.11.2026 and 16.11.2026
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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
310-1057C
Bore Size
4,250"
Cam Drive Type
Chain
Color/Finish
Highlighted Fins, Black Granite
Compression Ratio
11,1:1
Cooling System
Oil Cooled
Displacement
124"
Features
Quickee Pushrods w/Gloss Black 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 310-1057C
Ships in 21-30 tööpäeva
Campains Suvelõpu tühjendus
0
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0% of 100
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