The NGK DR8ES Spark Plug offers unmatched performance and reliability for all your engine needs. This NGK standard spark plug features a threaded connection and meets the highest quality requirements. With an 18mm wrench size, 12mm thread diameter, 19mm thread length, and a 0.7mm electrode gap, this spark plug is designed for optimal efficiency and longevity. Please verify the manufacturer's specifications before placing an order to ensure compatibility with your engine. Trusted by professionals and DIY enthusiasts alike, NGK spark plugs are an excellent choice for maintaining and enhancing engine performance.