Description
If you’re building a 124-cubic-inch big-bore engine for your Twin Cam, these S&S Cycle cylinders are purpose-built to deliver the displacement and reliability your performance setup demands. Slightly undersized and unhoned, they’re engineered to work seamlessly with S&S’s 124″ Hot Set Up Kits—giving you the precision fit and clearances needed for maximum power without compromises. Made in the U.S.A. with a professional wrinkle black finish, these cylinders are the foundation of a serious engine build.
- 4.125″ bore diameter
- Fits ’99-’17 Twin Cams
- Stock bolt pattern
- Undersized, unhoned
- Wrinkle black finish
- Machined edge details
- Crankcase machining required
- Designed for 124″ kits
- Made in U.S.A.
- MPN: 910-0255
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