Description: Aluminum upgrade parts for the essential parts of your Tamiya TT-01! Upgrade parts to aluminum to increase accuracy entering corners and reduce slop with the plastic insert pre-installed suspension parts! Bushing inserts in the suspension pin area for longer durability and smoothness of suspension parts! Feature: For: Tamiya TT-01 TT-01E Material: Aluminum & Steel Color: Red Include: Rear Upper Arms (2 pcs) Mounting Hardware (1 pack)