BC5109 - Mitsubishi 4G63 (7 Bolt) Crankshaft - 4340 Billet - 102mm Stroke

This 4340 billet crankshaft is engineered for ultimate performance. It undergoes stress relief, shot peening, magna flux inspection, and multi - step nitriding heat treatment. The fully profiled counterweights are designed to reduce windage in the crankcase, minimizing oil resistance and enhancing rpm potential. Key specs include a 102mm stroke, 45mm rod journal, 57mm main journal, and it weighs 37.4 Lbs.

Using this crankshaft is straightforward. Just install it according to your engine's specifications. Make sure to clean the installation area before fitting it. When it comes to maintenance, regularly check for any signs of wear and tear. You can also keep the crankshaft clean by wiping it down with a clean cloth. Avoid over - revving the engine as it may cause excessive stress on the crankshaft. If you notice any unusual noises or vibrations, have it inspected by a professional right away.