Polaris Pro R – Includes 4340 billet crank, 78mm stroke, BC Pro625+ rods (4.915″ c-to-c), custom CP or BME pistons (choice of bore/compression).
93mm bore = 2.13L, 94mm = 2.165L, 96mm = 2.26L
| Crank # | BC5917 – 78mm |
| Rod # | BC6916 – 4.915″ |
| Piston # | BC7915 – Custom |
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| Make | Model | Year |
|---|---|---|
| Polaris | Pro R | 2021 |
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