New GM OE/MITSUBOSHI air conditioning drive belt.  This is a stock replacement belt for the A/C compressor.  This is a 4-rib belt, for the a/c compressor.  This belt fits the following application, using stock pulleys (non-reduction):

05-13 LS2 LS3 LS7 Corvette

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.