Built for Real Use 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 & Flo Fast Utility 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.
