Big horsepower, high-flowing, high temperature wastegate. Rated to continuous 1000C (1830F). Features an investment cast stainless steel body, anodised actuator, one-piece stainless steel billet valve, Silicone Nomex diaphragm. Supplied with 7, 10, 14, 17 and 21psi spring sets, V-bands and flanges. Fully compatible with all Turbosmart Boost Controllers.