Built for Real Use The factory plastic cap gets the job done—but over time it can wear out, crack, or simply not match the quality of the rest of your setup. The Ai13 Billet Cap for Tuff Jug replaces the factory cap with a precision-machined billet aluminum upgrade that's built for durability, reliability, and a premium look. Why Upgrade Built to last: Billet aluminum construction won't crack like plastic Secure seal: Fuel-resistant Viton® O-ring helps provide a dependable, leak-resistant seal OEM compatibility: Designed to work with the factory Gen 3 Tuff Jug self-venting nozzle Premium finish: Precision-machined for a clean, high-quality appearance Features CNC-machined from 6061 billet aluminum Designed for Gen 3 Tuff Jug containers Compatible with the OEM self-venting nozzle Includes a fuel-resistant Viton® O-ring Made in the USA What's Included 1 × Billet Cap for Tuff Jug 1 × Viton® Cap O-ring 1 x Viton® Nozzle O-ring Disclaimer Tuff Jug is a registered trademark of its respective owner. Ai13 Billet Products is not affiliated with or endorsed by Tuff Jug. This product is designed to be compatible with Gen 3 Tuff Jug containers and the OEM self-venting nozzle.
