Our ARP 123-5401 main stud kit is used for Stage I and Stage II turbo Buick V6 applications.  Improve the strength of your Buick’s bottom end using this high quality stud kit.

Includes:

• 8740 Alloy Hex Nuts
• 8740 Alloy Washers
• 8740 Alloy Studs
• Heat Treated to 200,000 PSI

Part Number: ARP 123-5401

Application: 1975-1989 Stage I and Stage II Turbo Buick V6 3.8L / 231