Removing the rotating mass of the OE balance shaft frees up a few extra horsepower but more importantly, makes your engine rev faster. You also gain extra oil capacity and oil starvation prevention to keep your engine healthy longer.
– clearence at top of piston 0.001-0.00015
– deviation of circularity max 0.001mm
– 370-450hb before rectification
– nitrided at depth of 0.15-0.25
– hardness of hv10-760-860 kgf/mm2 after nitriding
– 34mocr11 STAS 791-1988 special aged steel