-20 Plastic Cap 5pk

The -20 Plastic Cap 5pk from ALLSTAR PERFORMANCE is an essential accessory for automotive builders and mechanics managing fuel system components. These caps serve as protective covers for AN-20 ports commonly found on fuel lines, oil coolers, transmission coolers, and carburetor fittings in various vehicles. Whether you're assembling a custom fuel system or protecting unused ports from contamination, this five-pack ensures you have spares for multiple projects.

Constructed from durable plastic, these caps resist exposure to fuel, oil, and coolant while remaining lightweight and corrosion-free. The -20 designation refers to AN-20 port sizing, a standard specification in high-flow fuel delivery and cooling systems. By sealing unused AN-20 connections, these caps help prevent fuel siphoning, moisture ingress, and contaminant entry, which is critical for maintaining system integrity during storage or transport.

Mechanics and fabricators working on fuel injection conversions, aftermarket cooling systems, and modular engine swaps will find this set indispensable. Installation is straightforward—simply thread or push the cap onto any open AN-20 male port. This five-pack configuration weighs just 0.11 lbs, making it a convenient addition to your garage inventory.