Rod Length: 139 mm

whether for street performance or racing

CAT Cams’ lineup includes a wide range of camshaft grinds

ductile iron cylinder sleeves

Can be installed both inside and outside

OS Giken SuperLock LSD, BMW E46 M3 EJ257 Rod Length: 139 mmThe OS Giken SuperLock LSD features their patented pressure ring design, delivering smooth, progressive locking. Distinguished by a spline through side gear construction, OS Giken's design allows for the fitment of more friction plates (up to 2x as many as competing versions). Key Features: All components undergo chemical heat treatment for maximum durability Constructed from a high grade steel alloy, ensuring exceptional strength Gears are raw forged