the outer end is a vw beetle (33spline) stub, so stock beetle (90mm) flanges or the 100mm/108mm EMPI conversion flanges work with it (with some minor shaving of the motor case)
cold rolled out of 4140 chromoly steel, so they are 33% stronger than the stock outlander stubs.
550 CAD for a set available in the web shop https://bratindustries.net/product/outl ... -adapters/