HPI Baja 5B RTR, 5B SS, 5T Upgrade Parts Aluminum Rear Shock Tower Support - 1Set Silver Product name : aluminum rear shock tower support - 1set. Item no. : bj030-s. Color : silver. Will fit : hpi baja 5b rtr, 5b ss, 5t. Order will be processed and shipped in 1-3 business days, usually takes 7-20 business days to arrive worldwide.