If wanting to replace your 35 year old internal wastegate actuator and upgrading the stock turbo to a T3/T4 this kit comes with everything you need for the swap. The bolt pattern on the bracket is for TO4E compressor housings only. This fits the Garrett 50 trim turbo we offer. Adjustable wastegate rod end, 6 psi opening setting. Requires use of an adjustable boost controller or valve to exceed 6 psi boost. Select rod extension below if mounting actuator rod to oem turbo outlet elbow assembly or our aftermarket hi flow turbo outlet elbow.