Plastic caps wear out, crack, and fail. The Ai13 Sunoco Jug Cap replaces that weak point with a durable, long-lasting solution built for real-world use.
Why Upgrade
Greater durability: Billet aluminum won’t crack like plastic
Better sealing: Secure, leak-resistant fit
Longer lifespan: Built for repeated use
Upgrade once: Backed by a lifetime warranty (excludes seals and gaskets)
Features
CNC-machined from 6061 billet aluminum
Designed for Sunoco RJ Race Jugs
Precision fit for a consistent, secure seal
Includes fuel-resistant Viton® O-ring
Made in the USA
What’s Included
1 × Billet Aluminum Sunoco Jug Cap (engraved)
1 × Viton® O-ring
1 × Teflon tape
Built to Last
If you rely on your jug, upgrading the cap is one of the easiest ways to improve the strength and reliability of your entire setup.
