Introducing the R10P3 Generators Spark Plug by TAKUMI, designed for the Janbacher 420 series. With a special electrode design, M18x1.5 thread, a reach of 20.6mm, and flat seat type, this spark plug ensures reliable performance for cogeneration plants and powerhouses. Backed by over 50 years of experience and ISO quality certifications, we guarantee top-notch quality at competitive prices. Welcome to visit our website!