Billet Aluminum Fuel Cell Surge Tank Cap - Flush Mount 6 Bolt, 35.5mm Opening

Finish off your fuel cell or surge tank build with this billet aluminum cap from Hypertune.

It's a flush-mount design with a 6-bolt pattern and an internal opening of 35.5mm.

Black anodized finish, includes the mounting hardware and a gasket for a leak-free seal.

Direct replacement or custom install—universal fit for most tanks.

Hypertune quality, one-year warranty.

Made in China but built to perform.

Whether it's for a race car, off-road rig, or custom project, this cap looks the part and seals tight.