PTFE-coated aluminum clevises increase durability and reduce friction

4 injector/ignition dual role pins

ensuring reliable performance in demanding racing environments

this product does NOT include head studs

Constructed with multiple layers of embossed stainless steel

BMW B46 Head Stud Thread Insert Kit B28 PTFE-coated aluminum clevises increase durabilityThe BMW B46 Head Stud Thread Insert Kit provides your machine shop everything needed to repair or upgrade the engine block threads on B46 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 B46 Head Stud Thread Insert Kit