This Mahle Fire Power PC479 standard-tension plain ring set is made for a 4.440 inch bore and supplies OE-style plain rings for engine rebuilds and repairs. The set follows Mahle OE specifications for tension and fit, intended to restore piston-to-cylinder sealing and oil control when replacing worn rings during an overhaul or refresh of the top end.
Mahle Rings Fire Power PC479 Std Tension 4.440in Plain Ring Set