Speedflow Caps & Plugs

Speedflow caps and plugs are designed to protect and seal unused ports, hose ends and threaded fittings in performance plumbing systems. Commonly used in fuel, oil, coolant and hydraulic applications, caps and plugs help prevent contamination, leaks and damage during assembly, maintenance or storage.

Precision-machined for accurate thread engagement and sealing, Speedflow caps and plugs are ideal for performance street cars, track vehicles, race cars and custom fabrication projects. They are widely used to blank off unused ports on fuel rails, regulators, oil coolers and fittings, ensuring a clean and professional finish.

This collection includes genuine Speedflow caps and plugs in a range of AN, metric and BSP sizes to suit common performance plumbing requirements. Whether you’re finalising a build, pressure testing a system or protecting spare fittings, Speedflow caps and plugs provide a reliable solution for secure sealing and thread protection.

Shop Speedflow caps and plugs at GameOn Motorsports with fast Australia-wide shipping and expert product support.