This is a new item from SP Technologies, billet aluminum wash plug kit for the Engler 2.90” Sprint Car injection. Kit comes with the (4) wash plug covers and also includes a storage bag. These wash plugs will allow you to safely wash your engine without fear of getting water into the intake. They are a big upgrade from using paper towels and plastic caps. Covers are anodized black. USE CODE 199FREESHIP -all U.S. orders over $199