421.MR12YS-9 BRISK SPARK PLUG PREMIUM M12X1,25 SILVER ELC

This Racing spark plug - this is the easiest and cheapest way to give your machine tuning-performance. With an excellent start and throttle response. The real power of the engine. Take it easy: fix the spark plug . All Racing spark plugs, we have tested in our racing team. Don’t hesitate to ask us. Just test it your way.