Piston Ring Set Subaru 2.5L H4 EJ253,255,257, 04-15 Baja Forester Impreza Legacy Outback Mahle OE 42308CP

MAHLE(R) piston rings are the most technically advanced piston rings in the industry. Driven by OE requirements; reducing friction and ring mass while minimizing engine oil consumption, and providing longer service life. MAHLE piston rings lead the industry for the latest piston ring technology.