Nissan RB30 Crankshaft – 4340 Billet – 90mm Stroke




Part# BC5230

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 90mm
Rod Journal 49.96mm
Main Journal 54.95mm
Weight 62.0 Lbs