1978-1979, 1981-1984 Chevrolet G30 Beauville 4.1L 6 Cyl. 1978-1979, 1981-1984 Chevrolet G30 Hi-Cube 4.1L 6 Cyl. 1978-1979, 1981-1984 Chevrolet G30 Chevy Van 4.1L 6 Cyl. High-quality bearings are permanently sealed and lubricated for greater durability and long life.