Here is the answer

stock part number 58-43630

end-of-ferrule to end-of-ferrule (the full length including everything)

add a clean finished look to all 2004-2005 Harley-Davidson Dyna models (except FXDWG/I)

Wassell Peanut Mid-Tunnel Gas Tank 2.1 gallon Bolt & Screw Type_Button Head Allen Here is the answerAdd classic chopper style to your build with the Wassell Peanut Mid Tunnel Gas Tank. Designed for custom applications, this Wassell gas tank features heavy duty steel construction and undrilled DIY mounting tabs, making it the perfect choice for your next custom or restoration project. Key Features: Heavy Gauge Steel Construction: Built tough for durability and long lasting performance Mid Tunnel Design: Positions the tank lower on the backbone