1993-2003 Pontiac Firebird RWD/2WD Upgraded 1 piece Conversion ShaftMade to Order 2 5 Days Build Time IT IS A 1PC CONVERSION SHAFT FROM WHAT WAS ORIGINALLY A 2PC WITH A CENTER SUPPORT BEARING. THE MAIN REASON FOR DOING THIS CONVERSION WAS THE SIMPLE FACT THAT THE CENTER BEARING BECAME DISCONTINUED. BECAUSE THE 1PC WAS SUCCESSFUL WITH NO VIBRATIONS OR SET BACKS, IT CONTINUES TO BE THE CHEAPEST AND ONLY SOLUTION.