Stroke 91.00mmMain Journal 55.00mm Rod Journal 48.00mmWeight 16.80Crank Grade 4340 Billet Technical FeaturesMade of precision 4340 steel Full CNC machining Multi-stage heat treatment Heat treatment for excellent wear resistance Magna-flucing for flawless surface finishBlasting for increased wear resistance for wear on machines Micropolishing for greater wear resistance Micropolishing Sunnen 1gr +/- 0.1 and ready for application The stroke 91.00 mmMain Journal 55.00 mmRod Journal 48.00 mmWeight 16.80Crank Grade Billet 4340 Technical characteristics of theManufactured with precise 4340 steelFull CNC machiningMulti-stage heat treatmentHeat treatment provides excellent wear resistanceMagna-flucing for error -free surface finishing Shot peening to increase resistance to fatigue Micropolishing for longer bearing life & nbsp