Riken Piston Oil Ring Set

The Riken (RK) Piston Oil Ring Set is a high-quality Japanese-made oil control ring used in internal combustion engines. It is designed to maintain optimal oil control, reduce friction, and ensure proper sealing between the piston and cylinder wall. Manufactured by Riken Corporation Japan, the ring set is known for durability, precision, and long-lasting performance. Suitable for a wide range of gasoline and diesel engines.