these rods are perfectly suited for BMW N55B30 and S55B30 engines with a rod length of 144

Can be installed both inside and outside

ductile iron cylinder sleeves

2010-15 BMW F21 125d

whether for street performance or racing

OS Giken SuperLock LSD, BMW E46 M3 EJ257 these rods are perfectly suitedThe 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