This is a new item from SP Technologies, billet aluminum wash plug kit for the Kinsler Beast 2.90” Sprint Car injection. NOTE*** These are made to fit the newer style Kinsler 2.9 injections with the billet alum. stack clamps, see example picture below. 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.