BRAND NEW PART# 38-0104 Fits 1958-1978 Harley Ironhead Sportster XL Repl. OEM # 61044-75 Replica gas tank is single cap style with a fuel capacity of 2 gallons, and a right side petcock location. Recommended to use with Mounting Kit 38-0207. High tunnel stock style tank features stock mounts and filler neck. It uses a 1955-74 petcock. Please test fitment before painting. Tank weld seams may require filler to meet your individual requirements. Do not grind or sand the seams as this may cause leaks. . We suggest using Kreem gas tank combo kit to clean, condition and seal. This will help to stop leaks and prevent corrosion. Check petock opening, making sure the petcock can be easily installed. Petcock fitting should be masked or pluggedduring painting for easy installation of the petcock. Top Length: 17″ Bottom Length: 13″ Rear Width: 4″ Front Width: 8.5″ Rear Height: 3″ Front Height: 7″ Front Tunnel Height: 3.5″ Rear Tunnel Height: 0.5″ Tunnel Length: 17″ Tunnel Width: 1-13/16″,Top Length: 17″ Bottom Length: 13″ Rear Width: 4″ Front Width: 8.5″ Rear Height: 3″ Front Height: 7″ Front Tunnel Height: 3.5″ Rear Tunnel Height: 0.5″ Tunnel Length: 17″ Tunnel Width: 1-13/16″