ProX Top End Gasket Kit: ProX gaskets are manufactured by high-quality factories to ProX specifications to ensure top quality sealing. Precision engineering and the use of first class materials guarantee the quality you demand from a gasket. The gaskets are complementary to ProX pistons and rods, so they developed a top end gasket kit and complete gasket kit. To ensure superior performance across a wide variety of engine types and sizes, ProX manufactures their gaskets from a wide range of materials. Whether the situation calls for the latest in advanced technology like a multi-layer steel gasket or a synthetic blend fiber, ProX offers a wide range of products your application will suit. These advanced materials are combined with state-of-the-art manufacturing processes to provide custom-tailored solutions to meet the needs of each individual customer.