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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 |
- Regular price
- $3,360.00
- Sale price
- $2,800.00
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 |
- Regular price
- $3,360.00
- Sale price
- $2,800.00
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Product Description
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 |
Customer Reviews
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