This Mahle OE chrome ring set is specified for a 3.7010 in bore and includes CP20 standard tension rings with a 4.0 mm oil ring assembly. Packaged as an OE-style replacement, the set is intended for engine rebuilds where the matched bore size and standard tension specifications are required for proper piston-to-cylinder sealing and oil control in compatible applications.
Mahle Rings 3.7010in Bore CP20 Std Tension 4.0MM Oil Ring Assembly Chrome Ring Set