This vintage Jiffy Kit carburetor performance kit is a rare find for any car enthusiast. The kit includes everything you need to rebuild your carburetor for optimal performance, including the original OE/OEM part number R99-405As. Made in the United States, this kit is a must-have for any collector or enthusiast looking to restore their carburetor to its original glory. The kit is perfect for those interested in air and fuel delivery, and is a great addition to any car or truck parts and accessories collection. Don't miss out on this opportunity to own a piece of automotive history.