Aluminum reduced front side RIGHT bulkhead CNC-machined from premium lightweight Swiss 7075 T6 aluminum provides improved tightness and flex traits for better steering traits, despite hard spec tires. Redesigned to fit the updated composite anti roll club bearing bushings that eliminate the use of this bulkhead. The super-lightweight Swiss 7075 T6 aluminum bulkheads have actually a really neat and lightweight design to give the cheapest weight and CG.