These are original MIRT & STEALTH parts DIRECT from the Factory. They have been tested and are in perfect working order, as with any electronic parts that you purchase, they CANNOT BE RETURNED, be careful when you order as they are yours. (the only exception to the "perfect working order" is the salvage boards which are for parts only)to the MIRT/STEALTH parts order page.
These parts have been tested before leaving the factory and are in perfect working order (except salvage boards of course) Order carefully as they are NOT RETURNABLE. Once you purchase them they are yours.