Bikers Choice Big Twin Gas Tank (Pair)

Dual Fuel Tank Options Built for Big Twin Riders The Bikers Choice Big Twin Gas Tanks give riders two trusted options for classic fuel storage. Whether you want a 5 Gallon Fatbob-style tank with Cam-style caps or a 3.5 Gallon Hand Shift tank, these tanks are made for Big Twin motorcycles and custom builds. They deliver reliable fuel capacity and classic lines that fit both stock builds and custom projects.These tanks are designed to replace worn or damaged fuel tanks and support common Big Twin fuel systems. Their construction and fitment help reduce leaks, improve ride confidence, and elevate the look of your bike.5 Gallon Fatbob Tank – Wide & Classic The 5 Gallon Fatbob tank is built for riders who want maximum fuel range and a bold presence. Its larger volume means fewer stops on long rides, while the wide tank profile gives your bike a solid, balanced look. It comes with Cam-style caps and a 22mm petcock opening for traditional Big Twin fuel setups.Benefits:Longer riding range between fill-upsBold stance and classic Fatbob silhouetteEasy cap access with common Cam-style openingsAmple room for custom paint or graphics3.5 Gallon Hand Shift Tank – Compact & Classic The 3.5 Gallon Hand Shift tank option suits riders who prefer a more classic riding feel or want a lighter front end. With its slightly smaller capacity, it works well on tighter frame builds and hand-shift style setups. This tank maintains a vintage look while still offering dependable fuel storage for everyday riding.Benefits:Classic look for vintage or retro buildsLighter weight for agile handlingClean lines that match restored Big TwinsFits hand shift configurationsBuilt for Big Twin Motorcycles Both tank variations are engineered to match Big Twin frame geometry with trustworthy fitment. Their internal design supports smooth fuel flow and minimizes turbulence, giving you steady fuel delivery under normal street riding conditions.These tanks also offer plenty of space for custom paint or decals. Builders and riders alike value how easily both versions clean up into classic or modern custom paint schemes.Key Features and Rider BenefitsTwo tank sizes: 5 Gallon & 3.5 Gallon to match riding needsFatbob design (5 Gallon): Adds muscle and presence to the front endHand Shift style (3.5 Gallon): Classic appeal for vintage or custom projectsCam-style cap openings: Common fitment for Big Twin fuel hardware22mm petcock provision: Standard fuel outlet size for easy hookupAftermarket quality: Strong build for daily riding and showsTechnical SpecificationsFeature5 Gallon Fatbob Tank3.5 Gallon Hand Shift TankFuel Capacity5 Gallons3.5 GallonsCap TypeCam-styleCam-stylePetcock Size22mm22mmApplicationBig Twin motorcyclesBig Twin motorcyclesPart Number488802488802CategoryFuel TanksFuel Tanks  Who These Tanks Are ForRiders restoring classic Big Twin machinesBuilders creating custom bikes or bobbersRiders who want a longer range (5-gallon)Riders who want vintage style and a light front end (3.5 gallon)Owners replacing damaged or rusty fuel tanks Always check frame mounts, petcock type, and fuel line routing before installation.Frequently Asked Questions (FAQs)1. What is the difference between the 5 Gallon and 3.5 Gallon tanks? The 5 Gallon tank offers more fuel storage and a wider profile. The 3.5 Gallon tank is more compact and suits classic hand-shift style builds.2. Do these tanks fit all Big Twin motorcycles? They fit many standard Big Twin setups. Confirm frame mount spacing and fuel line routing before purchase.3. What size petcock do I need? Both variations use a 22mm petcock opening for standard hookup.4. Do the tanks include fuel caps or petcocks? Fuel caps and petcocks are typically not included. Check what you already have or need before installation.5. Can I paint these tanks? Yes. Both tanks provide a clean surface for custom paint or graphics.6. Is installation difficult? Installation is straightforward with basic tools. Always follow safe practices and confirm fitment.7. Can these tanks be used for long rides? Yes. The 5 Gallon option is especially good for longer trips with fewer stops.The Bikers Choice Big Twin Gas Tanks (5 Gallon Fatbob & 3.5 Gallon Hand Shift) give riders flexible fuel options backed by reliable fitment and classic style. Whether you want extra range for touring or a lighter vintage look for your custom build, these tanks are built for performance, style, and everyday confidence.