The Traxxas 8398 Sway Bar Kit features front and rear sway bars for the 4-Tec 2.0 with three levels off stiffening rods. Includes adjustable linkages. 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.