JK 1 Ton Rear 14 Bolt Disc Brake Conversion Kit Artec IndustriesUse of this Kit may require an optional tuner which has access to adjusting Gear Ratio and Tire size. Your actual programmer settings may differ from the axle ratio and tire size on your vehicle depending on Tone ring tooth count used. If using the 60 tooth option, speedometer may be off 1 3 percent. New Zinc Plating to resist corrosion and improve sensor reading. Artec Industries is excited to announce the JK ONE Ton 14 bolt ABS Kit. This Kit