New GM timing chain.  This is a stock replacement timing chain, but high performance.  This is factory on LS2/LS3 engines. This is for factory and stock replacement timing sets (60 links). Fits the following:

97-12 LS1/LS6/LS2/LS3 Corvette
98-02 LS1 Camaro
98-02 LS1 Trans Am
04-07 LS6/LS2 CTS-V
04-06 LS1/LS2 GTO
99-04 LQ4/LQ9 Truck engines

NOTE : This is not compatible with the aftermarket performance series timing sets which are 62 links!