Automotive exhaust pipe; Belts for transmissions other than for land vehicles; Catalytic converters for motors and engines; Cylinder heads for engines; Cylinders for machines; Dispensing valves being machine parts; Engine exhaust systems comprised of pipes, collector and muffler; Engine mufflers; Engine or motor mufflers; Engine parts, namely, oil dipsticks; Enhancement parts for internal combustion engines in the nature of fuel treatment devices; Lifting jacks other than hand-operated; Machi...