The 7002 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. ? 38MM VALVE, ? V-BAND INLET AND OUTLET (DIRECTLY COMPATIBLE WITH TIAL MV-S FLANGES), ? 93MM OVERALL HEIGHT, ? SUPPLIED WITH 10PSI (OUTER) SPRING ADDITIONAL SPRINGS AVAILABLE ARE 5PSI (INNER) AND 7PSI (MIDDLE), ? COMBINE SPRINGS TO ACHIEVE BASE BOOST PRESSURE OF 5, 7, 10, 12, 15, 17 AND 22PSI