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Upgrade your International DuraStar Truck with essential switches and gauges from 4 State Trucks! From the Pyrometer Wire Harness to the Electric Speedometer, find the tools you need for optimal functionality and control on the road. Explore a variety of gauges and switches, including toggle switches and programmable electric speedometers, to customize your dashboard for safety and style. Stay comfortable, on time, and in control with our top-quality products that seamlessly integrate with your truck's interior. Transform your dashboard into a functional and stylish command center by upgrading your DuraStar with the best available gauges and switches. Shop now at 4 State Trucks to enhance your truck game!