BC5239 - Nissan RB26/RB25 Crankshaft - 4340 Billet - 79mm Stroke
4340 billet. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights are designed for reduced windage through the crankcase creating less oil resistance for better rpm potential.
| Stroke | 79mm |
| Rod Journal | 48mm |
| Main Journal | 55mm |
| Weight | 58.0 Lbs |
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