Stroke91.00mmMain Journal60.00mmRod Journal50.00mmWeightCALLrank Grade4340 BilletFoot NoteS50B32 std Stroke / S50B30 Stroker Technical Features Manufactured from high-precision 4340 steel Full CNC Machining Multi-stage heat treatment Heat treatment for excellent wear resistance Mild-flattening for increased wear resistance for flawless long-life wear resistance balanced on Sunnen machines 1gr +/- 0.1 and ready to put on. Stroke91.00mmMain Journal60.00mmRod Journal50.00mmWeightCALLCrank Grade4340 BilletFoot NoteS50B32 std Stroke / S50B30 Stroker Technical characteristics of the Manufactured with precise 4340 steelFull CNC stage heat treatmentMulti-provides CNC stage heat treatmentMulti-provides resistanceMagna-flucing for error-free surface finishingShot peening to increase resistance to fatigue Micropolishing for longer bearing life & nbsp