Omix proudly offers all the parts you need to keep your WillysJeep running like new with quality standards that always meet or exceed those of the factory part. This replacement upper engine set gasket set fits 66 - 71 CJ5 CJ6, 66 - 71 Commando, 66 - 70 DJ5, 66 - 68 DJ6 and 66 CJ3B models equipped with 225 ci engines. Set includes head gaskets, manifold gaskets, valve cover gaskets, thermostat and housing gasket. Replaces OE 992890