The Turbosmart FPR 800 V2 Replacement Diaphragm Assembly is a discontinued spare part designed for Turbosmart’s FPR 800 V2 fuel pressure regulator. This diaphragm assembly helps to maintain the correct fuel pressure, allowing for optimum engine performance and efficiency. It is essential for the proper maintenance of your Turbosmart system. Unfortunately, this piece has been discontinued and is no longer available, but Turbosmart offers other compatible accessories to help keep your Turbosmart system working correctly. Contact Turbosmart today to find out more about these alternative options.