Mercedes-Benz M278 A278 030 2317 piston ring

Key Features​:​

1. ​​Precision-engineered for high-performance V8 turbo engines​​
2. ​​Multi-layer coating reduces friction and wear​​
3. ​​Optimized thermal stability for extreme conditions​​
4. ​​Guaranteed OEM fit and performance​​

​​Product Details​:​

Specially designed for Mercedes-Benz M278 4.6L and 5.5L biturbo engines, these piston rings deliver exceptional sealing performance under high boost pressures. The innovative steel alloy construction maintains perfect tension across all temperature ranges, preventing blow-by while ensuring consistent compression. The advanced surface treatment promotes rapid break-in and long-term durability. Ideal for both stock rebuilds and performance applications in S-Class, CL-Class, and GL-Class vehicles, this set provides reliable operation even under the most demanding driving conditions.