Description
If you’re running stock Twin Cam cylinders and looking to unlock real power gains without a complete engine teardown, the S&S Cycle Big Bore Kit delivers measurable displacement increases while maintaining compatibility with your existing heads. The bolt-on design eliminates the need for case splitting or boring operations—a significant time and cost savings for builders who want proven performance without extensive machine work. With premium aluminum castings and cast-in iron liners, these cylinders are engineered to handle serious boost and deliver reliability that matches their performance.
- MPN: 910-0469
- Application: Twin Cam engines
- Type: Big Bore kit
- Material: Premium aluminum castings
- Liners: Cast-in iron
- Installation: Bolt-on swap
- No case splitting required
- Compatible: Stock cylinder heads
- Includes: Cylinders, pistons, rings
- Gaskets: Head, base, exhaust
- Finish options: Black or silver
- Powder-coat finish
- Made in USA
- Assembly: Requires skilled technician
