this is the solution for you

This center cap fits: JR3

1/8 NPT Liquid Cooling (Optional) Ports

cost effective external wastegate with base spring pressure options of up to 50psi

VIWG Borg Warner Wastegate Actuator 57mm Diaphragm – 6inHg JR36 this is the solution forTurbosmart Upgraded Vacuum operated Wastegate Actuators have been developed to provide the maximum possible boost response for your factory frame turbocharger. The Turbosmart vIWG Series of upgraded Actuators benefit from an increased 'Working Ratio' over the factory equipment resulting in improved boost response, throughout the RPM range. This Improved 'working ratio' is achieved through an increase to the effective surface area of the diaphragm &