Parts & Accessories Spare parts Valve Cover Gasket from POWER brand, (Model Number AT-C-GM-066). Compatibility: Specifically for (24-valve) engines for some General Motors cars, and specifically for all types of American cars upon request with chassis number //. Function: It seals the valve cover to prevent engine oil from leaking out and to maintain engine cleanliness and internal pressure. Order by chassis number attached / We have express shipping service to all regions of the Kingdom 🚚