GFB EX50 50mm V-band Wastegate - 7001The 7001 wastegate features an investment cast body made from 253MA chromium nickel stainless steel, a one piece stainless steel valve, and a nomex reinforced diaphragm to cope with the extreme conditions and harsh environment of high boost and exhaust temperatures. ? 50MM VALVE, ? V BAND INLET AND OUTLET, ? 133MM OVERALL HEIGHT, ? SUPPLIED WITH 13PSI (OUTER) SPRING, ? ADDITIONAL SPRINGS AVAILABLE ARE 7PSI (INNER) AND 9PSI (MIDDLE), ? COMBINE SPRINGS