Description
A precision exhaust valve is critical to maintaining peak combustion efficiency and engine reliability, especially in high-performance applications where tolerances matter. The PROX 28.1356-1 is engineered to OEM specifications, ensuring proper sealing and thermal stability under demanding conditions. Whether you’re rebuilding a race engine or restoring a stock powerplant, this valve delivers the consistency and durability you need.
- Manufacturer Part Number: 28.1356-1
- OEM specification compliance
- Precision manufactured tolerances
- Standard sizing available
- Direct bolt-on replacement
- High-temperature rated
- Vetted for reliability









