Description
Piston rings are critical to engine sealing, compression, and oil control—and worn or poorly matched rings will cost you power and reliability. The MAHLE 4170MS-15 delivers plasma moly construction with file-fit precision, giving you the exact ring gap and tension your 4.165-inch bore engine demands for consistent performance across high-load applications. Whether you’re assembling a race engine or rebuilding for durability, these standard-tension rings provide the proven durability MAHLE is known for.
- Bore diameter: 4.165″
- Ring dimensions: 1.5 x 1.5 x 3.0 mm
- Material: Plasma moly
- Fitment: File fit
- Tension: Standard
- Configuration: 8-cylinder set
- Includes: Top, second, oil rings
- Part number: MAH4170MS-15
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