This stainless steel exhaust valve is designed specifically for Mopar Performer RPM heads and is manufactured by Edelbrock. It is a high performance part with a polished finish that will enhance the overall look and performance of your engine. With zero mileage, this valve is a brand new, open box item and ready to be installed. The manufacturer part number of this valve is 9367 and it was made in Argentina. This is a non-vintage part that is perfect for those looking to upgrade their car or truck's engine. It is important to note that this valve is a valuable addition to any engine, but please make sure to consult with a professional before installation.