Made in USA. This Flow Control Valve has a -6AN adapter built right onto the valve. Simply replace your OEM control valve with this one to eliminate the need for an AN adapter. This one-piece design improves clearance issues that are created when a conventional adapter is threaded into an OEM control valve. Flow rate of this valve is 3.2 GPM (Same as stock GM Type II Valve). Steel valve 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.