TiAL F38 Wastegate - 8.70 psi/0.60 bar (sm. blue) spring, Red Body Item ID: TIALWGF38-8.70-RED Size (spec): 38mm Valve Material (spec): Aluminum Actuator Body, Cast Stainless Steel Valve Body Pressure Rating (spec): 8.70 psi (0.60 bar); Finish (spec): Red