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S&S 100" Sidewinder Big Bore Kit For Harley Twin Cam
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:
- Bolt in kit
- Low friction Ductile Cast Iron liner
- Forged pistons
- 10.5:1 Compression
- 4" Stoke, 4" Bore, 4.937" Cylinder length,
- No machining, balancing, or splitting the crankcases
- 88" engines are boosted to 100"
- Includes cylinders, pistons, gaskets, and instructions
Note: Although not mandatory, S&S recommends adding an oil cooler to bikes ridden in warmer climates.
| Product Style | RevZilla Item # | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|
| Product Style Black | RevZilla Item #10085926 | Store Sku | MFR. Product #910-0646 | AvailabilityIn Stock: Ships within 24 hours |
| Product Style Silver | RevZilla Item #10085925 | Store Sku | MFR. Product #910-0642 | AvailabilityIn Stock: Ships within 24 hours |
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