Ford Motorsports SVO (EPEC) (87-93) Extreme performance engine control!! Extremely Rare and operable piece of Motorsports history here guys!! Current software is available online to still use this device to tune your foxbody mustang 5.0 computer system via lap top!! I will include that information with completed purchase of device. You will need to purchase a USB-Serial cable separately. If you’re looking to add an extremely rare motorsports to your collection or to take charge of your vintage Motorsport equipped mustang, this is an excellent opportunity. I include free shipping as well. This item is fully functional but sold as is with no warranty.