The high voltage spark plug caps included in this set are specifically designed for use with 3KW and 5KW gasoline generators, including models with 168F, 170F, and 188F engines. These caps play a in maintaining the generator's ignition system, ensuring a reliable spark and efficient fuel combustion. Easy to install, they are a practical addition to your generator maintenance toolkit, helping to extend the life of your equipment. Features -Color:Black -Material:Plastic -Size:8.30X2.20X2.20cm/3.26X0.86X0.86in -Durable material: constructed from robust plastic, these spark plug caps are designed to withstand heat and vibration, providing performance. -Easy installation: the threaded center shaft allows for quick and easy installation, ensuring a secure fit without the need for additional tools. -Enhanced protection: offers excellent protection against water, heat, and corrosion, ensuring your generator's spark plugs remain in optimal condition. -Versatile compatibility: suitable for 168f, 170f, and 188f engines, making these caps a versatile choice for various gasoline generators and water pumps. -Reliable performance: ensures stable and reliable performance of your generator by maintaining a secure connection to the spark plug, even under demanding conditions Package list: 3 pcs x 4pcs spark plug cap