every combination in this kit is used by professional engine builders and performance shops worldwide

Crafted with an aluminum shell and steel hub

this setup features CP forged pistons combined with your choice of Manley

With built-in datalogging and fault detection

In addition to their anti-friction properties

BMW N63 Head Stud Thread Insert Kit Options:Inserts Only every combination in this kitThe BMW N63 Head Stud Thread Insert Kit provides your machine shop everything needed to repair or upgrade the engine block threads on N63 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 N63 Head Stud Thread Insert Kit