131" Big Bore Stroker Cylinder & Piston Kits for 2017-'20 M8 models
- Huge displacement increase means huge power increase
- Works with stock crankcases
- Original engine serial numbers are retained
- Powder coat finish matches factory finish
- .045" MLS (multi-layered steel) head gaskets
- Retains stock engine height
- Includes 131" Cam Cover Badge
- Requires 4 5/8" Stroker Crank (part # 320-0620)
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