Our CNC machined T4 turbo spacers are designed to help in gaining clearance between the turbo and manifold or pedestal depending on application Key Features: - With the included 3/8” fine thread ARP studs and 12-point nuts you can rest assured that you are getting an accurate torque as well as eliminate the risk of cheap fasteners stretching and causing exhaust leaks - Part #: GRD00199 Compatible with: Engine & Engine Parts, Universal