Heavy-Duty Tailgate Support | 3rd Brake Light Retained | Accessory-Friendly Tested. Proven. Ready for Any Spare. Based on the best-selling TC3‑M1 tailgate reinforcement system, our reinforced tire carrier structure transforms your JK’s rear end into a secure mounting point for larger tires and future upgrades. Engineered to eliminate the weak points of the factory tailgate and hinges, this carrier reinforcement ensures safe, shake-free performance—even with 40″+ spare setups, roof racks, antenna mounts, jacks, or hi-lift mounts.