BMW Toyota B58 Head Stud Thread Insert Kit Options:Inserts Only making these bearings ideal for

making these bearings ideal for everything from tuned daily drivers to track-prepped BMW i8s

and turbocharged applications where elevated cylinder pressures place extra stress on the head gasket and fasteners

durability

Designed specifically for these BMW engines

The Quick Time RM-4089 bellhousing allows seamless connection between BMW inline-six engines (M50

BMW Toyota B58 Head Stud Thread Insert Kit Options:Inserts Only making these bearings ideal forThe BMW Toyota B58 Head Stud Thread Insert Kit provides your machine shop everything needed to repair or upgrade the engine block threads on BMW Toyota B58 engines. Designed for precision and durability, this kit allows you to restore damaged threads or prepare the block for oversized head studs for improved clamping strength. Please note, this product does NOT include head studs. Head Studs are available for purchase here. Each BMW Toyota B58 Head