LSX Innovations AL11 LS1 Swap motor mounts Adjustable 4 position Billet Aluminum LS Swap LS Conversion These LS conversion plateswill 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 cars such as Camaro, Nova, Chevelle, and Impala among others. CNC milled from Billet aluminum to 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