-6 AN Cap / Blockoff

ColorFittings AN Caps are precision CNC-machined to securely seal unused AN ports, fittings, and lines in fuel, oil, coolant, transmission, and power steering systems. Designed with a true 37-degree AN flare seat, these caps provide a clean, leak-free solution for closing off unused connections during maintenance, fabrication, or custom plumbing projects.

Manufactured from aerospace-grade 6061-T6 billet aluminum and finished with ColorFittings' proprietary polishing and anodizing process, these AN caps deliver superior strength, corrosion resistance, and long-term durability. Built for high-pressure and high-temperature environments, they are compatible with E85, ethanol-based fuels, race fuel, pump gas, oil, coolant, hydraulic fluid, and air systems.

Perfect for race builds, street performance vehicles, engine bay fabrication, and custom fluid systems, ColorFittings AN Caps provide a professional finish while protecting unused ports from contamination.

Finish your system with ColorFittings AN fittings, adapters, braided hose, and fitting assembly tools.

Shipping: Ships directly from ColorFittings. Items may arrive separately from other products in your order.