PN Racing's Replacement/Optional Competition chassis offers a completely unique driving experience. Superior handling, speed and exciting chassis completely adaptable to any and all Mini-Z MR03 parts and upgrades allowing you to dream up you own style and equipped race chassis that can be changed in many ways using MR03 components! Designed to accept both the brushed main control unit and the"Evo" sensored main control unit using the correct brushed or brushless motor. Get fast and furious with the next step to true competition with this venerable chassis!