S&S Cycle 100" Sidewinder Big Bore Kit for 1999-'06 HD® Big Twin Models - Wrinkle Black


S&S Cycle

  • Bolt in - no machining, balancing or splitting the crankcases; install can be performed with engine still in frame
  • Cast Ductile Iron Sleeve in cast aluminum for superior heat transfer
  • 88" engines are boosted to 100"
  • 96" and 103" engines are boosted 110"
  • 10.5:1 compression (w/ stock 85cc heads) makes for a very streetable and dependable engine that also responds well to performance cams
  • Complete kits include cylinders, forged pistons, rings, piston pins, clips and gaskets
  • Not for use with S&S 79cc heads