Need another chip for your Pro Racer Package? Here they are! SCT's single program and 5 program, 4 bank custom chips are specifically designed for your 1987-2005 Ford car or truck. Our industry first 5 program, 4 bank custom chips dramatically IMPROVE PERFORMANCE, GAS MILEAGE, TORQUE and HORSEPOWER while IMPROVING THROTTLE RESPONSE, and eliminating the factory REV and Speed Limiters. Easily switch between custom tune files using SCT's Dial Selector. All single & multi-program chips ship blank. Custom tune files must be loaded by an SCT dealer or Pro Racer Package. Also included is a built in ANTI-THEFT dial selection that disables the PCM! Whether towing a light load or a heavily loaded race trailer, SCT has a CUSTOM TUNE for your gas or diesel truck. No more struggling up mountains or hills, simply switch Power Levels before the incline and enjoy MORE POWER and MORE TORQUE instantly. The Eliminator Switch Chips hold up to 5 Custom Tune Files! With up to 5 custom tune files now you can easily switch between files on the fly! Nitrous, Towing, or multiple octane gas types, the proper tune file is just a switch away. Multiple Towing Levels! Swtich from your factory tune file to your towing custom tune while driving! No need to stop and shut of your vehicle! Save on Fuel Costs! Easily switch between different octane tune files to save on fuel costs or switch to a custom fuel economy tune on longer trips! Performance Levels! Easily switch between factory, towing, or street performance and race performance tune files.