This engine piston ring set is a great addition to any car or truck engine. The set includes piston rings and is designed for VIN 6, DOHC, and 20 valves. It is manufactured by DNJ Engine Components and has a part number of PR3122 STD. This set is perfect for those looking to improve the performance of their engine without having to worry about the condition of the product. The set falls under the categories of Pistons & Rings, Engines & Engine Parts, Car & Truck Parts & Accessories, and Parts & Accessories on eBay Motors. It is a Type of Piston Ring Set and is made by a reputable brand. With this engine piston ring set, you can rest assured that your engine will be performing at its very best.