Top End Engine Gasket Set - Honda CX500 CX500C CX500D CX 500 1978-1982 Top end gasket set for the Honda CX500 Twins from 1979-1982. If you're doing a top end engine rebuild this is a great set to have on hand. ISO 9001 100% Non-asbestos gaskets Fits Honda: CX500 - 1978-1979 - CX500C Custom - 1979-1982 - CX500D Deluxe - 1979-1981