Power Steering Pump: 1988-92 Camaro & Firebird TA (READ for pre 88)READ "DESCRIPTION" on Lower LHS of this page First. Supplied outright, no exchange needed. NOTE some 87 92 era cars used a pump with an additional nut on the back RHS lower.. others did not. Caution.. don't bother buying this .. if you don't FIRST FLUSH.. openly Flush.. your old pump hoses and steering box of fluid and dirt crap out .. Don't reconnect the return line to the pump when first mounting. get a drum and heaps of new fluid and have the pump