Chevrolet, GMPerformanceMotor.com, Jegs High Performance, Summit Racing Equipment and CrateEngineDepot.com are some companies that sell General Motors crate engines. Many different types of GM crate engines are available from these suppliers in a variety of packages ranging from stock engines to extremely modified high-performance versions.
Chevrolet is the factory outlet for GM crate engines, and users can shop for a wide variety of available motors online, and then find the Chevrolet or GMC dealer in the location of their choice from which to order. GMPerformanceMotor.com has small block, big block, circle track, E-ROD and LS series engines available for ordering online. Summit Racing and Jegs High Performance sells several different GM motors that have been modified for high-performance racing applications. CrateEngineDepot.com has stock GM engines from four-cylinder styles to industrial engines, as well as modified performance models.