Mahle CP20 low-tension chrome oil ring assembly is specified at 3.7795 in with 3.0 mm oil rings and .145 RW sizing. This lower-tension ring set is intended for rebuilds or repairs that call for reduced ring tension at the given bore dimension while maintaining oil-control function. Use it when the cylinder requires the listed low-tension assembly and precise sizing.
Mahle Rings CP20 3.0MM Low Tension Oil Ring Assembly 3.7795 x 3.0MM .145 RW Chrome Ring Set