The 4NGK ILKAR7B11 4912 high-quality spark plug is designed specifically for Toyota Corolla Vios Levin EZ 1ZR vehicles. Made with iridium platinum material and crafted in Japan, this spark plug ensures optimal performance and reliability. With a hex size of Hex14 and a length of 26.5, this product is a perfect fit for gasoline engines. The California Prop 65 Warning indicates the presence of nickel, making it a safe and efficient choice for your vehicle's ignition system.