S&S Cycle Bolt-In 100" Sidewinder 4" Big Bore Kit - Black
For 2007-2017 Harley Twin Cam Models
Features:
- BOLT-IN SIDEWINDER® 4" BIG BORE KIT
- 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
- Wrinkle black powdercoat finish cylinders
- NOTE: Not for use with S&S 79cc heads.
Fitment:
- 2007-2017 Harley Twin Cam Models (Not recommended for Trikes)
