For those who rely on 3KW and 5KW gasoline generators, these high voltage spark plug caps are a must-have. Suitable for engines such as 168F, 170F, and 188F, they ensure a strong and consistent spark, which is vital for the efficient operation of water pumps and other powered devices. The caps are designed for easy installation and performance, making them an excellent choice for both professional and DIY generator maintenance. Features -Color:Black -Material:Plastic -Size:8.30X2.20X2.20cm/3.26X0.86X0.86in -ideal fit: designed to durable fit 3kw and 5kw gasoline generators, ensuring a secure and stable connection for optimal performance -Waterproof capability: boasts strong waterproof capabilities, protecting the spark plug from ensuring reliable operation in all weather conditions -Hightemperature resistance: made from durable 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