This ARP 12-point head stud kit for BMW S63 engines uses CA625+ material and provides a natural finish for durable clamping performance. Offered as a complete head stud set, it supplies the hardware needed to secure cylinder heads under demanding conditions, matching ARP’s high-strength fastener standards without assuming additional application changes.
ARP BMW S63 U/C CA625+ 12PT Head Stud Kit - Natural Finish