ARP 12-point head stud kit for Big-Block Chevy Pontiac Pro Stock applications. The 12-point studs included are intended to fasten Pro Stock-style heads on compatible BB Chevy blocks, addressing rebuilds or race-oriented head installations that call for 12-point hardware. It’s supplied as the designated fastener solution for these Pro Stock head and block combinations.
ARP BB Chevy Pontiac Pro Stock 12pt head stud kit