This Mahle chrome ring set is a piston ring assembly sized for a 3.6910 inch bore and includes CP20 standard tension rings plus a 4.0mm oil ring configuration. Supplied as a chrome ring set, it serves engine rebuilds and short-block assemblies where proper sealing of combustion and oil control are required. The set's specification targets machinists and rebuilders matching the listed bore and ring tension profile for correct fit and function.
Mahle Rings 3.6910in Bore CP20 Std Tension 4.0MM Oil Ring Assembly Chrome Ring Set