Made in USA. This Power Steering Adapter fits various power steering applications with 1/2-20 ports. The adapter includes a crush washer to seal the adapter to the port. A machined or spot-faced surface approximately .120" wide is required around the opening of the ports to ensure a positive seal, Crush washer can be removed for applications where the ports contains an inverted flare cone. Steel adapter is coated with our proprietary Pure Stealth ceramic coating. While it is extremely durable, it is possible to scratch it. Care should be taken during installation to prevent damage.