For 2004 Pontiac GTO (5.7L). Accessory Drive Belt Tensioner. For 2005-2006 Pontiac GTO (6.0L). For 1998-2002 Pontiac Firebird (5.7L). Drive Shaft. Installed on a vehicle for which it was not designed, installed on a racing or high performance vehicle, or vehicle with modified suspension/rims/tires.
