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| SKU | TWP486959 |
| MPN | 486959 |
| GTIN | 887337383132 |
| Certifications | None |
| Material | High-grade engine steel alloy |
| Color/Finish | Black |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2019 | Harley Davidson | FLHRC Road King Classic | Base |
| 2017-2021 | Harley Davidson | FLHRXS Road King Special | Base |
| 2017-2019 | Harley Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 2017-2021 | Harley Davidson | FLHTK Ultra Limited | Base |
| 2017-2021 | Harley Davidson | FLHX Street Glide | Base |
| 2017-2021 | Harley Davidson | FLHXS Street Glide Special | Base |
| 2018-2021 | Harley Davidson | FLSB Sport Glide 107 | Base |
| 2018-2021 | Harley Davidson | FLSL Softail Slim 107 | Base |
| 2017-2021 | Harley Davidson | FLTRX Road Glide | Base |
| 2017-2021 | Harley Davidson | FLTRXS Road Glide Special | Base |
| 2018-2020 | Harley Davidson | FXBB Street Bob 107 | Base |
| 2018-2019 | Harley Davidson | FXBR Breakout 107 | Base |
| 2018-2020 | Harley Davidson | FLDE Deluxe 107 | Base |
| 2018-2021 | Harley Davidson | FLFBS Fat Boy 114 | Base |
| 2018-2021 | Harley Davidson | FLHC Heritage Classic 107 | Base |
| 2018-2021 | Harley Davidson | FLHCS Heritage Classic 114 | Base |
| 2018-2020 | Harley Davidson | FXFB Fat Bob 107 | Base |
| 2018-2021 | Harley Davidson | FXFBS Fat Bob 114 | Base |
Experience unmatched power and reliability with the Twin Power 17-Up M8 Black 4.25 Inch Big Bore Cylinders Pair. This advanced cylinder kit is engineered for automotive enthusiasts who demand superior performance from their engines. Crafted with precision, these cylinders deliver increased displacement and optimized combustion, making them ideal for high-performance upgrades.
Designed to fit seamlessly into your engine setup, the TwinPower cylinders boast a sleek black finish that complements any engine bay. Perfect for those focusing on enhancing power output and engine efficiency, these cylinders provide a substantial boost without compromising durability.
Whether you're working on a restoration project or building a race-ready machine, these Twin Power cylinders ensure consistent performance under rigorous conditions. Easy to install and built to last, they are a trusted choice among car hobbyists and professional workshops alike.
Designed to fit seamlessly into your engine setup, the TwinPower cylinders boast a sleek black finish that complements any engine bay. Perfect for those focusing on enhancing power output and engine efficiency, these cylinders provide a substantial boost without compromising durability.
Whether you're working on a restoration project or building a race-ready machine, these Twin Power cylinders ensure consistent performance under rigorous conditions. Easy to install and built to last, they are a trusted choice among car hobbyists and professional workshops alike.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















