FR SPORT
Brian Crower Polaris Pro R (22-up) Stock Stroke Crankshaft 73.5mm BC5916
Brian Crower Polaris Pro R (22-up) Stock Stroke Crankshaft 73.5mm BC5916
Regular price
$2,800.00 USD
Regular price
$3,360.00 USD
Sale price
$2,800.00 USD
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per
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73.5mm Pro R Stock Stroke - Now featuring induction hardened timing chain gear. CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings using aftermarket rods.
| Stroke | 73.5mm |
| Rod Journal | 45mm |
| Main Journal | 52mm |
| Weight | 34 Lbs |
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