Description
If you’re running a Twin Cam engine and want measurable power gains without extensive machine work, the S&S CYCLE Big Bore kit delivers cubic inches and performance through a straightforward cylinder swap. Premium aluminum castings with cast-in iron liners ensure durability under sustained boost and high RPM load, while the bolt-on design eliminates the need for case splitting or boring. This kit gives you real displacement increases that work seamlessly with stock heads, making it an efficient path to increased horsepower and torque.
What’s Included:
- Cylinders (aluminum castings)
- Forged pistons
- Piston rings
- Head gaskets
- Base gaskets
- Exhaust gaskets
Technical Specifications:
- MPN: 910-0480
- Platform: Twin Cam
- Cylinder construction: Cast-in iron liners
- Material: Premium aluminum
- Finish options: Black or silver powder-coat
- Installation: Bolt-on cylinder swap
- Case splitting: Not required
- Boring: Not required
- Compatibility: Stock cylinder heads
- Origin: Made in the U.S.A.
- Assembly: Requires skilled technician








