SPECTRA FUEL TANK, STEEL, SILVER -- 18 gallons; 68 liters; 29.75 in. L x 19.25 in. W x 10.38 in. H; Includes 2 in. diameter lock ring and O-ring with part number LO06; With 2 in. small filler hole; Features ni terne steel construction for excellent corrosion resistance; Manufactured under ISO 9001 quality systems; Easy installation; Requires fuel tank strap with part number ST95, sold separately.