NPT to AN Adapters are used to transition from NPT threads to an AN Male or Female flare. There are several different styles of adapters for the most common plumbing applications.

Metric Adapters are Available for Most Common Applications. Use w/ Crush washer or sealing washer since the metric threads are straight threads and won't seal without these washers.

AN to AN Adapters include fittings that have AN male & female AN Threads or flares on both ends of the fittings. These fittings are available in a wide variety of styles for most plumbing applications.

NPT to NPT adapters have NPT threads on both ends of the fittings. These fittings are available in aluminum and stainless steel.

Hose barb fittings are ideal for general plumbing applications using traditional rubber hose. These fittings are available in straight, 45 degree and 90 degree versions that are suitable for most plumbing applications.

Distribution and "Y" blocks are an ideal way to plumb fuel systems, cooling systems & other applications that require joining more than one hose connection.

These adapters are designed for use in all types of fuel system (i.e. Carburetor adapters, Banjo Hose Ends, Fuel Injection Systems, Fuel Rails, etc). These adapters are available in aluminum, steel, and stainless steel.

These brake adapters connect the HYPERFIRM hoses to the stock or upgraded brake wheel cylinder or caliper. They are offered in many configurations.

Choose from several styles of caps and plugs. Most caps and plugs are available in 6061 aluminum, Plastic, and more durable 2024 aluminum.

BSPP / BSPT (British Standard Pipe Thread) adapters are needed for applications that use this type of thread.

The clutch system on most late-model vehicles use a plastic clutch hose that is tough to modify when doing an engine swap. These adapters eliminate the OEM plastic hose & allow the use of PTFE Lined clutch hose.

Gauge Adapter Fittings Allow Installation of Electric or Mechanical Gauge Sending Units. Ideal for Use on Fuel Pressure Gauge, Oil Pressure Gauges, Temperature Gauges, Data Acquisition Systems, Fuel Sampling Ports, and Many Other Uses.

These adapters are used with power steering systems. Depending on your power steering pump, you may need inverted flare fittings, or bump tube style fittings.

These adapter fittings allow an easy way to re-use existing OEM fuel rails, fuel filters, and other components when doing an engines swap, or upgrading to Vapor Guard™ (or other AN Plumbing).

These adapters are designed to easy plumbing of the turbocharger oiling system.