The Mahle chrome piston ring set sized for a 114 mm (4.490 in) bore is offered as an OE replacement ring kit for compatible ISC and ISL engines. Presented as a chrome ring set, it is intended to service engines identified by the C ISC 8.3L and ISL 8.9L references and OE number 4089644. This ring set supports rebuilds and OE-style maintenance.
Mahle Rings Cms 114mm/4.490in Bore C ISC 8.3L ISL 8.9L OE 4089644 Chrome Ring Set