and a Racetech FIA-approved Pro International 6-point harness—giving you everything required for a secure

(1) Billet VANOS Elimination Plate

90 Degree Hose Ends

Complete bolt kit

need a custom compression ratio

BMW S63 Head Stud Thread Insert Kit 11317563665 and a Racetech FIA-approved ProThe BMW S63 Head Stud Thread Insert Kit provides your machine shop everything needed to repair or upgrade the engine block threads on S63 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 S63 Head Stud Thread Insert Kit