The Mahle OE moly ring set for an 88.5mm bore is a metric HV385 drop-in ring kit that supplies 1.0mm top, 1.2mm second and 2.8mm oil rings in standard tension. It is offered as a direct replacement to restore piston sealing during engine rebuilds. This compact kit preserves OEM-like dimensions and tension characteristics for engines requiring precise 88.5mm ring sizing and standard compression control.
Mahle Rings Performance Metric HV385 88.5MM x 1.0MM/1.2MM/2.8MM Drop In Std Tension Moly Ring Set