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S&S Cycle Powerpak Oil Cool 4.25"Bore4.375"Stroke M8 Blk W/Highlights 310-1058C
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S&S CYCLE

S&S Cycle Powerpak Oil Cool 4.25"Bore4.375"Stroke M8 Blk W/Highlights 310-1058C

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$3,357.82
$2,919.84
(You save $437.98 )
SKU:
0904-0139
Condition:
New
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Description

Features

  • 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
  • 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
  • Quickee pushrods
  • Hand assembled to exacting tolerances
  • Reduced valve train noise from start up to shut down
  • Close tolerances for low leak down rates
  • Hard anodized black coating
  • Billet aluminum construction
  • Tappet stability in high lift and high rpm sitiuations
  • S&S 550 camshaft - designed for big bore applications
  • Works well with camshafts up to 0.605" lift
  • High performance conical single wire spring
  • Includes top collars, keepers, valve seals and bottom collars
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