Mahle drop-in piston rings for an 87.25 mm bore are provided as a direct replacement set for compatible engines. The set includes two 1.2 mm compression rings and a 2.8 mm oil control ring for straightforward installation during rebuilds. These drop‑in rings are specified for engines requiring an 87.25 mm ring size and help restore cylinder sealing and compression without custom machining.
Mahle MS 87.25 mm1.2 1.2 2.8 mm Drop In Rings