This essential set combines a durable rear lower bulkhead with an integrated radio tray, specifically designed to enhance the performance and chassis layout of Kyosho Ultima RB6 series 2WD buggies. Constructed from a robust, high-grade composite material, these components offer improved rigidity and crash resistance compared to standard stock parts, contributing to more consistent suspension action and overall vehicle stability during demanding race conditions. The clever integration of the radio tray streamlines electronics mounting, providing a secure and organized platform for your receiver while simplifying maintenance and chassis adjustments for competitive racers and enthusiasts alike.