Polaris Pro R – Includes 4340 billet LW crank with no center counterweights, 78mm stroke, BC ProH2K 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 # | BC6915 – 4.915″ |
| Piston # | BC7915 – Custom |
Be the first to review “BC0989LW – Polaris Pro R (21-up) LW Stroker Kit 78mm w/BC ProH2K Rods”
| Make | Model | Year |
|---|---|---|
| Polaris | Pro R | 2021 |
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