Remanufactured Bendix R-14H Relay Valve - CoreFree, Horizontal mount. 1/8 balance port located under the exhaust cover. Controls spring brakes and service brakes.2 port delivery. Can rotate the cover. 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