ARP Merlin block, Brodix head SB 12pt valve cover bolt kit (400-7516) Air Flow Research Ni & Mg) that has

Ni & Mg) that has low thermal expansion

Part Number: PW80203

Part Number: AR621-0750

2012 OPEL ASTRA J 1

Part Number: ROCS7031

ARP Merlin block, Brodix head SB 12pt valve cover bolt kit (400-7516) Air Flow Research Ni & Mg) that hasARP Merlin block, Brodix head SB 12pt valve cover bolt kit (400 7516) ARP Valve Cover Bolt Kits 400 7516 ARP valve cover bolt kits are offered in a choice of chromoly steel with a black oxide finish or corrosion proof polished stainless steel. You also have a choice between hex head and easy access 12 point designs. The heads feature a wide base for better load distribution and sealing. Brand: ARP Manufacturer's Part Number: 400 7516 Part Type: Valve