5.3 gal Sportster gas tankLarge capacity Unique design For Sportster 2004 2023 Increase your tank's capacity for longer road trips. Upgrade your ride with our custom high capacity fuel tank, designed specifically for Harley Davidson Sportster models injection or carburetor. If you don't have the 4. 5 gallon Sportster tank or are looking to change the look of your bike, this tank is perfect for you. With a 5. 3 gallon capacity, you can enjoy a range of over 155 miles, making it