3001 - 1978-2002 GM Rear Control Arm Bolt Upgrade Kit 1991-pontiac-firebird-esi6483971 Kit includes two bushings and

Kit includes two bushings and two washers

0 liter diesel trucks

time trials

Red Line D6 will drop to no less than 6

Or you can open up the hole ever so slightly and fit the nut/washer included and accommodate it

3001 - 1978-2002 GM Rear Control Arm Bolt Upgrade Kit 1991-pontiac-firebird-esi6483971 Kit includes two bushings andDon'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.