UMI Performance 82-02 GM F-Body Weld In Mild Steel Torque Arm Straight Crossmember - RedRear Torque Arm Hardware Kit Through bolt rear axle housings require UMI P N 3003 to complete installation on factory housings, Strange, Moser 9 and most other housings. UMI P N 2998 should be used on Moser 12 bolt with the four bolt mount design. This Part Fits: Year Make Model Submodel 1998 2002 Chevrolet Camaro Base 1998 2002 Chevrolet Camaro Z28 1998 2002 Chevrolet Camaro Z28 SS 1998 2002 Pontiac Firebird Base 1998 2002 Pontiac Firebird Formula