Lower bulkhead with anti-roll club mounting areas, fits front L and rear R part. CNC-machined from premium Swiss 7075 T6 aluminum, the bulkhead is designed to provide the lightest and strongest possible support framework for the automobile. Colors anodized in an exceptional orange color, and completed with stylish edging. The T4 platform with additional centralized weight positioning features the littlest and lightest bulkheads that are placed more towards the framework centerline to provide maximum traction, steering, and balance.