Used set of GM rocker arms. These are for the LS1/LS6/LS2 series heads using the straight rocker arms.  These are all stock rockers.  16-pcs as shown.   Fits the following cylinder heads:

LS1, LS2, LS6, LQ4, LQ9 heads

97-07 LS1/LS6/LS2 Corvette
98-02 LS1 Camaro
98-02 LS1 Trans Am
04-07 LS6/LS2 CTS-V
04-06 LS1/LS2 GTO

The item in the photo is the exact item being sold.