Engine Piston Ring Set S41718.040

The Mahle Original 41718.040 is a premium piston ring set designed for installer-friendliness. These rings are pre-lapped for immediate seating, virtually eliminating break-in time.

Optimized for reduced friction and extended life, the ring materials and coatings are tailored for specific applications. The set includes compression rings with a barrel-faced contact area for efficient compression and a CNC-controlled gap chamfer to minimize blow-by. Intermediate rings feature a reverse twist design for improved groove side sealing, and the CP-20 oil ring assemblies offer enhanced oil drain back.