OS Giken SuperLock LSD, BMW E46 318i SCR5149 083″ DOM tube with billet

083″ DOM tube with billet aluminum plates to convert the small bolt pattern on the factory transmission and differential flanges to use larger 1310 u-joints

not the factory settings

and consistent performance even under extreme conditions

oil feed block off

OS Giken SuperLock LSD, BMW E46 318i SCR5149 083″ DOM tube with billetThe 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