New RoadMAX serpentine belt.  This is a stock replacement belt. This is a 6-rib belt, for the alternator, power steering pump and water pump.  This belt fits the following application, using stock pulleys (non-reduction):

04-06 LS1/LS2 GTO with 6" OD Power Steering Pulley (Casting #7786, #8308, #6356)

NOTE : Our belt listings are for stock/factory pulley and bracket configurations.  If you have an aftermarket setup, bracket, or pulley, you will need to consult with the manufacturer of those parts to see the correct length belt you need.