• We supply all types of spark plugs • Multi-ribbed insulator eliminates flashover • 95% pure alumina insulator • Strong resistance to heat and shock • Great mechanic and electronic features • Superb insulation • Nickel-plated housing prevents oxidation and corrosion • Heat crimping process ensures absolute air-tight fit • Inner sealing with conductive glass ensures a fine conductivity and seal • Multi-layer gaskets are strong and reliable in sealing • Copper core electrode prevents oxidation and corrosion • Good electricity and heat conductivity • Long spark plug service life