Hughes Performance Basic Transmission Overhaul Race Kits are designed to extended the service life of your race transmission. Hughes Performance Basic Transmission Overhaul Race Kits make replacing all gaskets and seals in your transmission easy. If you don't need to replace any ring, gears or plates in your transmission, These overhaul kits are exactly what you need to restore performance. Hughes Performance Basic Transmission Overhaul Race Kits include everything needed to perform a basic transmission overhaul.