3001 - 1978-2002 GM Rear Control Arm Bolt Upgrade Kit 1991-pontiac-firebird-esi6483971 Engineered to provide the highest

Engineered to provide the highest degree of protection and improvement of differential efficiency for better mileage

Toyota/Lexus WS

Red Line D6 will drop to no less than 6

Our kit includes all new hardware for installing either upper or lower rear control arms in you General Motors vehicle

3001 - 1978-2002 GM Rear Control Arm Bolt Upgrade Kit 1991-pontiac-firebird-esi6483971 Engineered to provide the highestDon't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes all new hardware for installing either upper or lower rear control arms in you General Motors vehicle. Supplied is (4) 12 mm 10. 9 High grade bolts (equal in strength to American Grade 8), (4) 12 mm Nylon lock nuts and washers. Complete kit is bright zinc plated.