Sway bars help reduce chassis roll to increase corner speed on high-traction surfaces Two stiffness options for fine-tuning your rig Installs in minutes without disassembling your truck All hardware and instructions are included Fine-tune your model for high-grip racing with this track-tested sway bar set. Sway bars reduce chassis roll and increase corner speed on high-traction surfaces—perfect for hard-packed tracks and pavement running. The bar thicknesses are precisely tuned, and install in minutes without disassembly. All hardware and instructions are included. 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.