Upgrade your engine's performance with the Kromex KO-492 piston ring set, a top-quality solution for those seeking reliability and durability. The set includes carefully crafted piston rings, ensuring a perfect fit for your engine. With the included part number 435 and OE/OEM part number KO-492, you can trust in the precision engineering of this product, made with expertise in the United States. Whether you're replacing worn rings or building a fresh engine, this piston ring set from the reputable brand STD delivers the quality you need. The package contains all necessary items to complete your engine's overhaul, with no added performance enhancements, keeping your focus on the basics of quality and function.