Permaseal Stainless Steel Turbo Nut Locking Plates to suit Nissan RB20DET/RB25DET, and other universal T3 flange applications.
Sold as a pair.
304 Stainless Steel.
These tabs are simply fitted underneath the turbo mounting locking nuts. Once the locking nuts are tightened to the specified torque, the tabs are bent up and tapped with a small hammer to sit against the locking nuts, preventing them from coming loose.