S&S Cycle 4.250" Rear Cylinder Wrinkle Black with Highlight - Harley 2017 Milwaukee-Eight
About S&S Cycle
S&S Cycle has built American V-twin performance parts in Viola, Wisconsin since 1958 — flywheels, carburetors, cams, cylinder heads and complete crate engines. When a Harley owner talks about a 124, a 128 or a 131 build, they are usually talking about S&S. Few names carry more weight with engine builders in this space.
This S&S Cycle rear cylinder kit is engineered for 2017 Harley-Davidson Milwaukee-Eight (M8) engines, featuring a 4.250-inch bore. Finished in wrinkle black with highlight accents, it offers a blend of performance and custom style. Designed as a drop-in replacement, this cylinder is suitable for both stock and modified M8 applications looking for a robust upgrade.
Why riders pick this
- 4.250-inch bore for Milwaukee-Eight engines
- Wrinkle black finish with highlight accents
- Rear cylinder for 2017 M8 models
- Drop-in replacement for easy installation
- Robust construction for durability
When it's time to refresh or upgrade your 2017 Milwaukee-Eight, this S&S Cycle rear cylinder provides a high-quality solution. The 4.250-inch bore is ready to support increased displacement and power, giving your V-twin a noticeable performance boost. The wrinkle black finish with highlighted accents not only looks sharp but also adds a touch of custom detail to your engine. This cylinder is built to S&S Cycle's rigorous standards, ensuring reliability for the long haul.
Ready for Performance and Style
- Features a 4.250-inch bore for enhanced engine performance
- Stylish wrinkle black finish with highlight accents
- Designed as a rear cylinder for 2017 Milwaukee-Eight platforms
- Drop-in replacement for straightforward installation
Optimizing Your M8 Engine
This S&S Cycle rear cylinder is an excellent component for M8 riders seeking to improve their engine's capabilities. While it's a drop-in replacement, any change to engine displacement or compression ratio may require a professional fuel tune to ensure optimal running conditions and prevent potential issues. Always verify compatibility with your specific pistons and gasket set, and consider having an experienced engine builder perform the installation for best results.
Specifications
- Brand: S&S Cycle
- Manufacturer Part #: 910-0676
- Bore: 4.250 in
- Position: Rear cylinder
- Weight: 11.83 lb
- Category: Engine Components / Piston Sets - Powersports
Common questions
What specific year Harley-Davidson models does this cylinder fit?
This S&S Cycle rear cylinder is specifically engineered for 2017 Harley-Davidson Milwaukee-Eight (M8) models. For other M8 years, please verify compatibility with S&S Cycle or your service manual.
Is this a complete kit that includes pistons?
This product is for the rear cylinder only. Some S&S M8 kits may include matching front cylinders and pistons, but this is an individual component. Please confirm your kit contents before ordering.
Will I need to retune my ECU after installing this cylinder?
When installing displacement-altering components, an engine builder or tuner should verify and adjust your fueling. A professional tune is highly recommended to optimize performance and engine longevity.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | S&S Cycle |
| TYPE | Piston Sets - Powersports |
| SKU | T14-662024 |
| WEIGHT | 11.83 lb |