Upgrade Your Tank With a Pop Up Gas Cap Harley Mod

If you're tired of that bulky, chrome knob sticking out of your fuel tank, installing a pop up gas cap Harley riders swear by is one of the easiest ways to streamline your bike's profile. It's one of those small changes that makes a massive difference in how the top of your bike looks. Most stock Harley caps look fine, I guess, but they definitely don't look "custom." They stick up like a sore thumb, especially if you've spent a lot of time and money getting a nice paint job or a low-profile seat. ...

May 25, 2026 · 7 min · Goldman Stephea