Description

• Product

• • Big-bore bolt-on kit increases 107″ M8 to 129″ 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
  • Made in the USA

  Notes

  • Will fit VVT models.
  • Not for any Trike models.
  • Intake/rocker cover gaskets not included.