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S&S Cycle Bolt-In Sidewinder 4 inch Big Bore Kits for '99-17 Harley Davidson Twin Cam (Select Silver or Wrinkle Black)

SKU: TCSIDEWINDER
$1,550.95
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S&S Cycle Bolt-In Sidewinder 4 inch Big Bore Kits for '99-17 Harley Davidson Twin Cam (Select Silver or Wrinkle Black)
  • 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 to 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
  • Available with wrinkle black or silver powdercoat finish cylinders

NOTE: Not for use with S&S 79cc heads.

110 inch for 2007 to 2017 Twin Cam 100 inch for 1999 to 2006 Twin Cam
910-0650 Silver $1565.95 910-0642 Silver $1594.95
910-0651 Wrinkle Black $1550.95 910-0646 Wrinkle Black $1550.95