Crankshaft Volvo B230 - 86mm Large radius on all journals Manufactured from 4340 Precision Billet Steel Full CNC machining Multi-stage heat treatment Nitride process for hardening Heat treatment for superior wear resistance Magna-flucing for flawless surface finish Shot peening for improved fatigue resistance Micro-polishing for longer bearing life Journal radio disperse load stress Crankshaft is fully balanced on Sunnen machines 1gr +/- 0.1 and ready to install. Included balance report.