The product is an OEM piston ring set for Toyota Tacoma, Tundra, 4Runner, and T100 vehicles with a 5VZFE engine. Made by Toyota in Japan, this Genuine Part comes with a 100% manufacturer warranty for easy installation. The set includes piston rings and has interchange part numbers of 13011-62100 and 1301162100, making it a reliable and high-quality replacement part for your vehicle.