Remanufactured Bendix R-12 Relay Valve - CoreFree, Vertical mount. 4 port delivery located on the bottom of the valve. Repair Kit use part number 102802K. Product Features:Remanufactured parts are completely disassembled and wearable parts replaced providing longer life than rebuilt partsISO 9001 and MERA member certifying repeatable processesRemanufactured in the USA