Aluminum lower front RIGHT bulkhead redesigned to work with composite anti-roll bar bushings to extend the life of the bulkheads and eliminate unwanted play. Provides optimal stiffness and flex characteristics for improved steering characteristics, even with hard-spec tires. All bulkhead parts are CNC-machined from premium Swiss 7075 T6 aluminum, and have been designed to provide the lightest and strongest possible support framework for the car with maximum flex characteristics for increased traction. The bulkheads are anodized in black color, and XRAYââ¬â¢s legendary attention to detail is noticeable in all the precisely-chamfered edges.