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S&S CYCLE Bolt-In Sidewinder® 4" Big Bore Kits
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Part number 09310740 S&S CYCLE
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S&S CYCLE Bolt-In Sidewinder® 4" Big Bore Kits

S&S CYCLE Bolt-In Sidewinder® 4" Big Bore Kits by S&S CYCLE is a engine parts listing built for riders searching by exact product name, fitment, style, and part number.

Key Features

  • 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 kit includes cylinders, forged pistons, rings, piston pins, clips and gaskets
  • Not for use with S&S 79cc heads.

Part Numbers

0931-0740, 910-0646, 0931-0739, 910-0642, 0931-0742, 910-0651, 0931-0741, 910-0650

Available Styles

4" Big Bore Bolt-In Sidewinder® Cylinder Kit / 100" / Black; 4" Big Bore Bolt-In Sidewinder® Cylinder Kit / 100" / Silver; 4" Big Bore Bolt-In Sidewinder® Cylinder Kit / 110" / Black; 4" Big Bore Bolt-In Sidewinder® Cylinder Kit / 110" / Silver

Available options: 4

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