100" Sidewinder Big Bore Kit for 1999-'06 HD<sup>®</sup> Big Twin Models - Wrinkle Black
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100" Sidewinder Big Bore Kit for 1999-'06 HD® Big Twin Models - Wrinkle Black

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

Item #: 910-0646
5.0 out of 5
2 reviews | Write a Review
$1,550.95

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you’ll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!

Features & Benefits

  • Low friction Ductile Cast Iron liner
  • 10.5:1 Compression
  • Bolts in. No machining, balancing, or splitting the crankcases
  • 88" engines are boosted to 100"
  • Complete kits include cylinders, pistons, gaskets, and instructions
  • Wrinkle black cylinders – matches stock finish
  • Although not mandatory, we recommend adding an oil cooler to bikes ridden in warmer climates
                     
StrokeBoreCylinder LengthPiston TypeDome Volume83cc CNC Heads85cc Stock Heads89cc S&S Heads
4 4.00"4.937"Forged8.75 pop up10.8:110.5:110.1:1

*Not compatible with S&S 79cc Super Stock® heads. Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes.

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Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes. When using on a carbureted model, an adjustable performance ignition must be used.

Disclaimer

NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. Not legal for sale or use on any EPA pollution