The RB N54 Oil Cooler Thermostat Delete Plate removes the OEM Thermostat out of the equation and replaces it with a cool looking customized part. This is recommended for those of you who wish to use a custom or aftermarket oil cooling kit. Pre-threaded for M18x1.5 thread and comes with copper gasket washers. You must select whether you would like the Anodized Black “Blank” plate or the Anodized Black “RB Turbo” plate.