S&S 132" Big-Bore Kit 4.5" for M8 with 114" and 117" Engines




S&S Cycle 132" big bore kit is the largest size possible without engine case boring. Works on all Harley Davidson Milwaukee-8 114 & 117" engines.

  • Black finish with silver highlights
  • 11.0:1 compression
  • Huge displacement increase means huge power increase
  • Works with stock crankcases & stock 4.5" stroke flywheels
  • Powder coat finish match factory finish, giving the bike a “sleeper” advantage
  • MLS (multi-layered steel) head gaskets
  • Retains stock engine height
  • Includes Cam Cover Badge
  • Made in the USA 

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