Traxxas #3632 aluminum caster blocks improve the appearance, ruggedness, and control on your Traxxas electric Rustler, 2WD Stampede or 2WD Slash. In addition to the strength and precision of the machined billet 6061-T6 aluminum, the red, blue, green or pink anodized caster blocks feature a high-contrast laser-etched TRX logo. Simple bolt-on installation that anyone can perform inspires confidence for future upgrades. Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your user's manual for exact parts listings.