Picking the Right Fuel Cell Filler Cap for Your Project

If you're building a race car or a custom off-road rig, you probably know that picking the right fuel cell filler cap is way more important than it looks at first glance. It's easy to get caught up in the big stuff—engines, suspension, roll cages—but the small hardware often dictates how smoothly your day at the track or on the trail actually goes. You don't want to be the person leaking high-octane fuel during a hard corner or struggling with a jammed lid when you're in a rush to refuel. ...

May 15, 2026 · 7 min · Mirian Dinah