General description Set of 4 check valves designed for use with diesel and gasoline applications. These valves prevent fuel from being sucked back into the tank and getting trapped in the lines, ensuring efficient fuel flow. Technical specifications Material: Aluminum alloy Sizes: 6 mm, 8 mm, 10 mm, 12 mm Compatibility and accessories Compatible with gasoline, diesel, vegetable/bio oil, paraffin/kerosene oil Usage Suitable for carburetors and low-pressure fuel systems Applicable for cars, boats, motorcycles, and helicopters