... in drafting " Internal Combustion Engine Valve Seat Specification (JB/T) " & " Internal Combustion Engine Valve Guide Specification (JB/T) ".9. Application:JAPAN ... series---DAIHATSU, HINO, HONDA,ISUZU, KOMATSU, MAZDA, MITSUBISHI, NISSAN, SUZUKI, TOYOTA, YANMAR,...KOREA ... of equality and mutual benefit in the near future. Toyota 5K ENGINE VALVE