S&S Cycle  |  SKU: 310-1103B

S&S Cycle Power CHN M8 With H Oil

Regular price $5,790.99

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⚡ Typically ships within 1–2 business days
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📦 Ships from Canadian warehouses (AB, ON, QC)
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📦 Delivered in 3–7 business days (Canada)
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  • Made in the USA
  • Big Bore Kit
  • Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining required
  • 4-1/4" bore cylinders with 11:1 forged pistons
  • Oil Pump/Cam Plate
  • S&S oil pump/cam plate with blue anodized finish
  • Passage plugs are removable for servicing
  • Independent scavenge sections for flywheel cavity and camchest
  • Debris screen in both scavenge pickups
  • Magnet in camchest 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
  • Pushrods
  • Quikee pushrods with chrome pushrod tubes
  • Tappets
  • S&S premium tappets
  • Tappet Cuffs
  • S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
  • Improve tappet stability in high-lift, high-rpm situations
  • Cam
  • S&S 550 cams designed for big bore applications
  • Valve Springs
  • S&S valve springs work with cams up to .605" lift
  • High-performance conical single-wire spring design
  • All necessary gaskets, bearings and hardware for bolt-on installation is included

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