2200 - 1993-2002 GM F-Body Tunnel Mounted Torque Arm, Stock Exhaust, Kooks LT'sRear torque arm hardware kit UMI P N 3003 is required on most axles. We highly recommend purchasing a new hardware kit as the factory torque arm bolts may be too short and may not capture enough threads. P N 3003 fits factory, Strange and all others using a long straight through bolt design. For Moser Engineering 12 Bolt use P N 2998. P N 2998 includes longer hardware and spacers to reduce movement and prevents failure. Torque arms mounted to Moser 12