Description We can make almost any type of spark plugs. And they are of high quality. Description Features: 1) Multi-ribs of insulator eliminate flashover 2) Insulator made of 95?G pure alumina, strong resistor to shock, great mechanical and electric features, super insulation 3) Nickel plated housing prevents from oxidation and corrosion; heat crimping process ensures absolute gas-tight fit 4) Inner sealing with conductive glass ensures a fine conductivity and sealing 5) Multi-layer gaskets are elastic and strong, and reliable in sealing 6) Copper core electrode prevents from oxidation and corrosion, good electric and heating conductivity, long service life Features: 1) Easy starting 2) Quicker acceleration 3) Improved fuel consumption, maximum power and performance 4) Long lifespan: at least 100,000km We can manufacture spark plug according to NGK, BOSCH DENSO, AC DELCO and MOTORCRAFT specifications for cars with more than 100,000km and motorcycles with more than 20,000km, under normal conditions.