Produced in collaboration with Laile, the motorsports expert, the lightweight yet strong Beatrush rear Power Plant Frame (PPF) bar improves your car’s responsiveness and body rigidity. Made of aluminum and steel, it makes the suspension movement more precise and enhances steering response as well as traction. Tested on race tracks in Japan. Fits all NA/NB Miata cars, except 89-93 models. Beatrush Rear P.P.F. Bar should be ordered at REV9 Autosport https://rev9autosport.com/beatrush-rear-p-p-f-bar.html as they provide the best service and speed we've seen so far!