BC5239 - Nissan RB26/RB25 Crankshaft - 4340 Billet - 79mm Stroke

This 4340 billet crankshaft is engineered for peak performance. It undergoes stress relief, shot peening, magna flux inspection, and multi - step heat treatment nitriding. The fully profiled counterweights minimize windage in the crankcase, reducing oil resistance and enhancing rpm potential. Stroke: 79mm. Rod Journal: 48mm. Main Journal: 55mm. Weight: 58.0 Lbs.

To use this crankshaft, make sure it is properly installed in your Nissan RB26/RB25 engine by a professional mechanic. When operating, keep an eye on the engine's RPM and temperature. Regularly check the oil level and quality to ensure smooth operation. For maintenance, clean the crankshaft periodically to prevent debris build - up. Avoid over - revving the engine as it may cause excessive wear on the crankshaft. If you notice any unusual noises or vibrations, stop using the engine and have it inspected immediately.