This product includes grade 8 zinc coated hardware to install the frame side of the engine mounts to the sub frame, install clamshell stock style engine mounts and the long bolts with Nyloc nuts to connect engine to frame mounts for all SBC powered 1973-81 Camaros. Higher quality hardware than what was used from the factory. Will not work for other engine combinations including Big Blocks or LS engines. Designed to be used with stock style mounts. This is the hardware only.