UMA RACING IRIDIUM SPARK PLUG

AB8R31: FOR DAILY USE ENGINE//STANDARD BIKE AB9R31: FOR HIGH PERFORMANCE ENGINE WITH HIGH TEMPERATURE ENGINE//ENGINE UBAH SUAI IMPROVED THROTTLE RESPONSE LONGER PLUG SERVISE LIFE PROMOTES BETTER COMBUSTION IMPROVED IGNITION CONSISTENT PERFORMANCE SUITABLE FOR :YAMAHA LC135/Y15ZR/FZ150 /HONDA:RS150R /W125 /ADN ETC.