This Mahle OE piston set is supplied as a complete install-ready kit for Cummins B L4/L6 applications, including pistons with rings for a set of six. Mahle OE pistons carry OE-quality features such as compensated ring grooves for proper ring loading and oil control plus expansion-controlled designs for tighter clearances, aiming to reduce noise, wear and emissions while improving oil control and fitment convenience.
Mahle OE Cummins B L4/ L6 020 w/ PC Eng Set Piston Set (Set of 6)