Built for Real Use Plastic collars crack, strip, and fail—usually at the worst time. The Ai13 Coarse Thread Collar replaces that weak point with a durable, long-lasting solution built for real-world use. Why Upgrade Stronger than plastic: Billet aluminum won’t crack or wear out Reliable fit: Designed for a secure, consistent seal Less guesswork: Broad compatibility across common cans Upgrade once: Backed by a lifetime warranty Features CNC-machined from 6061 billet aluminum Designed to fit most 5-gallon coarse thread gas cans Precision fit for a clean, secure seal Built for long-term durability Made in the USA Compatibility Fits many 5-gallon coarse thread cans, including: Pre-2013 RotoPax Midwest Briggs & Stratton 👉 Use the “Take Quiz” tool or contact us to confirm fitment Important Notes Do not modify your container from its original design Do not remove flame safety devices from your can Disclaimer AI13 Billet Products is not affiliated with, sponsored by, or endorsed by any original equipment manufacturer of fuel containers. Our products are aftermarket accessories designed to fit common fuel cans.
