The diff covers for any scale rig is the focal point of the front and rear drive axle, ST Racing Concepts now offers high quality CNC Machined aluminum diff covers for your Traxxas TRX-4. These diff covers adds a bit more weight to the front and rear drive axle for better climbing performance while provides incredible looks to your TRX-4. Easy to install simply remove the stock plastic piece and replace. Available in brilliantly anodized blue, black, gun metal, red and silver.
ST8280B/BK/GM/R/S CNC Machined Aluminum Diff Cover (1pc) for Traxxas TRX-4 MSRP: $29.99