93.5mm cyl bore, .088” Thickness - Cometic 5 layer gaskets for the RZR Pro-R 4 cylinder combine advanced materials with state-of-the-art manufacturing processes to provide custom-tailored solutions to meet the needs of each individual application. The MLX head gasket is comprised of a three layer setup - Viton coated embossed spring steel outer layers surround a steel inner layer that provides support and thickness to the gasket. Embossments on the gasket allow for a proper seal around oil and water passages.