910 0646 Bolt Sidewinder 4" Big Bore Kits Harley Davidson FLHR 1450 1999 2003
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Tracked since 27th Oct 2026About this product
The S&S Cycle 910 0646 Bolt Sidewinder 4" Big Bore Kits Harley Davidson FLHR 1450 1999 2003 is stocked by 1 shop we compare on Shopperazzi. Listed prices start at £1,670.49.
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.. Not recommended for trike models..
Specifications
- Specifications
- Base Color: Black. Bore Size: 4.000". Color/Finish: Black. Compression Ratio Imperial: 10.5. Compression Ratio: 10.5. Displacement: 100". Model: Sidewinder. Product Name: Cylinder and Piston Kit. Stroke Length: 4". Type: Big Bore. Units: Kit.
Product details
- Brand
- S&S Cycle
- Model
- 910-0646
- Condition
- New
- Category
- Motorcycles














