ARP Mitsubishi Head Stud Kit MGZB Kits are recommended for preloaded

Kits are recommended for preloaded spring assemblies or when springs require adjustment while they are under pressure

this is a permanent solution that replaces a welded in O2 bung

1984-1995 Buick LeSabre

Do not exceed vehicle's gross vehicle weight rating (GVWR)

ARP Mitsubishi Head Stud Kit MGZB Kits are recommended for preloadedARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Cylinder Head Stud Kit 11