King Gas Tank Right Side Petcock for Harley-Davidson Sportster XL 1982-94 Sportster Gas Tank by KING Right side petcock mount. Regular tunnel Sportster tank. Pressure tested under water. Utilizes stock Harley-Davidson gas cap and petcock (not incliuded). Tank has Tillotson tube vent if needed. 3.1 gallon tank.17-1/2" long. 10-3/4" wide.Tunnel 3-1/2" wide, 2" high.Fits Harley-Davidson Sportster models from 1982 to 1994 and any Custom applications. *Product ID = 3933