Description
Piston ring selection directly impacts combustion sealing, blowby control, and engine longevity—and bore size demands precision. This MAHLE Motorsport set delivers file-fit accuracy with plasma moly coating for high-RPM durability, ensuring optimal compression and minimal friction across the power band. Whether you’re building a performance 8-cylinder or refreshing a race engine, low-tension rings reduce drag while maintaining reliable sealing under boost and sustained load.
- Bore diameter: 4.065 inches
- Top ring: 0.043 inches
- Second ring: 0.043 inches
- Oil ring: 3.0 mm
- Ring type: Low tension
- Coating: Plasma moly
- Fit style: File fit
- Application: 8-cylinder engines
- MPN: MAH4070ML-043
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