Quality Material: Lightweight alloy and rubber, high quality rubber and aluminum alloy, made of high quality rubber. and wear-resistant metal. Corrosion, oil-resistant, durable, oil-resistant, difficult to wear Tear-resistant and long service life. Excellent Design: Thickened design with double-sealed fasteners; for better sealing. Large bulb shape ensures high suction and speeds up oil pumping. with low permeation material to prevent fuel evaporation and maintain flexibility. and prevent collapse in hot and cold weather. The connector is designed to facilitate the installation of the lining tube and not fall off. Width Application: Suitable for helicopters, ships, motorcycles and other applications. other fuel supply systems, suitable for carburetors and low pressure fuel systems Metal valve size: 8mm (5/16") Body size: 154 x 46mm / 6.06 x 1.81 inch Package includes: 1 x Black Rubber Petrol Gasoline Diesel Fuel Pump (8mm)