These upgraded Internal Wastegate Actuators from Turbosmart are designed as stronger, more reliable replacements for OE wastegate actuators.Stable boost controlFlatter boost curve in the top endServiceable with spares parts and accessoriesBase spring pressure available from 3PSI to 26PSIWide range of universal & vehicle/turbo specific applicationsUtilising billet construction (the part is machined from a single block of aluminium) for extra strength and features like Nomex reinforced silicone diaphragms for extra temperature resistance.The wastegate is designed for quick and easy spring changes and compatibility with Turbosmart's own boost controllers.The wastegate actuator is supplied as a kit along with a mounting bracket, fitting hardware, adjustment nuts and a pre-selected spring.