ARP Oldsmobile 2.3L Quad – Olds SB 4-cylinder Quad 4 12pt head stud kit (281-4301) Avancier They do not work with

They do not work with the D16Z6 cylinder head

Manufacturer's Part Number: 7-502

25 12pt nut kit (300-8327)

Seat Type:Tapered

2009 PONTIAC G8 3

ARP Oldsmobile 2.3L Quad – Olds SB 4-cylinder Quad 4 12pt head stud kit (281-4301) Avancier They do not work withARP Olds SB 4 cylinder Quad 4 12pt head stud kit (281 4301) ARP Pro Series Cylinder Head Studs 281 4301 ARP Pro Series cylinder head studs are cold forged to ensure molecular integrity. They're heat treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12 point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready