LSX Innovations ST12 LS1 Conversion Motor Mount Adapter Plates Billet Steel Our LS Conversion Motor Mounts will allow you to swap a 1997-2013 LSX style engine into any Chevy application that originally used 3 bolt motor mounts Including MOST 60s and 70s Chevrolet pickups and Chevy cars such as the Camaro, Nova, Chevelle, and Impala among others Our Chevy LS conversion motor mounts are CNC milled from Billet steelto provide the most accurate adapter plates available Laser cut, water jetted, or plasma cut parts do not compare to the quality, precision and accuracy of a CNC milled product No grinding necessary for a flush fit