The ARP Stage I 12-point head bolt kit for Buick V6 applications is a hardware kit described as "Stage I SS 12pt" in the product title. It supplies a set of 12-point head bolts intended for Buick V6 cylinder head installation or service. Use this kit when matching a 12-point head bolt specification for compatible Buick V6 engines per the listing.
ARP Buick V6 Stage I SS 12pt Head Bolt Kit