(This Mid Plate drawing example is a Chevy combined with BB Mopar) Custom Motor Plate Options Do you need unique features, a different size or thickness with additional lightening? Multiple-application hole patterns may also be accommodated. A CAD drawing and price quote will be provided. All custom plate designs, dimensions and pricing must be approved before production starts. Your browser does not support our video. Accurately CNC Machined is Better All of the Pro-werks Motor Plates are precision CNC machined from premium 6061-T6 aluminum to exact tolerances for optimum fit and finish. The accuracy obtained from CNC machining is superior to die stamping, laser or water jet cutting methods that have grown to be popular by other manufacturers. Proper engine alignment can only be achieved with accurate locating of the engine to the drive train. This is an area that should not be compromised. The nations top pros count on us so should you. Pro-Werks motor plates are precision CNC milled in Muskegon, Michigan by skilled American machinists.