Designed for durability and reliability, these spark plug caps are an essential component for 3KW and 5KW gasoline generators. They fit engines like 168F, 170F, and 188F, providing a secure connection that enhances the ignition system's performance. Whether you're using your generator for home backup power or industrial applications, these caps help ensure consistent and efficient operation, reducing the risk of power interruptions. Features -Color:Black -Material:Plastic -Size:8.30X2.20X2.20cm/3.26X0.86X0.86in -ideal fit: specifically designed to fit 3kw and 5kw gasoline generators, ensuring a precise and secure connection for optimal performance -Waterproof design: features strong waterproof capabilities, protecting the spark plug from ensuring reliable operation in all weather conditions -Hightemperature resistance: made from plastic, these spark plug caps can withstand high temperatures, preventing damage and ensuring longevity -Antiaging and corrosion resistance: engineered to resist aging and corrosion, these caps maintain their integrity and performance over time, even in harsh environments -Threaded center shaft: equipped with a threaded center shaft, these spark plug caps can be easily screwed a stable and secure fit, ensuring they stay in place during operation Package list: 4pcs spark plug cap