Piston Rings - 107" Motor - 3.937" +.010" - M8
These rings match OEM design with exception of increased oil ring tension to provide better oil control
The top/upper compression ring is a steel ring coated with PVD (Physical Vapor Deposition) process
The intermediate/mid ring is ductile iron, napier profile design
The oil control ring is a three-piece design with increased tension for improved oil control
Made in the USA
Includes enough rings for two pistons.