Description
Piston ring seal integrity directly impacts combustion efficiency, oil consumption, and overall engine longevity. This plasma moly ring set delivers precise bore fitment and reliable sealing across the full RPM spectrum, making it essential for both street performance and track-focused builds. File-fit construction allows for custom sizing to match your specific bore and ring groove tolerances.
- 4.145″ bore diameter
- 1.0mm top ring
- 1.0mm second ring
- 2.0mm oil ring
- Plasma moly coating
- File fit
- 8-cylinder kit
- MPN: 4150MS-112






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