Product details:

These billet aluminum adapters allow you to put a 1997-2013 LS engine where a S/B Chevy would mount. They bolt to the sides of your LS and accept standard S/B Chevy mounts. Metric and Standard hardware included. Constructed from .383" thick aluminum LS bolt pattern is 4 3/8 horizontal and 3 1/16 vertical Triangular bolt pattern for the standard SBC motor mount Locates LS engine in the stock location Note: These motor mounts may require you to move your transmission mount forward in some applications.