Supertech Exhaust Valves for Mazda Protege
Supertech exhaust valves are precision ground to strict tolerances and built to survive the heat of boosted, nitrous and endurance engines.
Stainless steel valves with Supertech's proprietary Black Nitride treatment suit most performance builds, while Inconel exhaust valves are designed for extreme heat in high-boost and race engines. For the Mazda Protege, Supertech offers 2 part numbers, including Inconel Exhaust Valves - Oversize +1mm.
Key Features
- Black Nitride stainless steel for wear resistance
- Inconel options for extreme exhaust temperatures
- Swirl-polished, precision-ground construction
- Built for boosted, nitrous and endurance use
- Standard and oversize head diameters on select applications
- Sold individually or as full engine sets
Applications
Supertech exhaust valves are built for the Mazda Protege in high-heat street and race applications. Confirm head diameter, stem diameter and overall length against your cylinder head before ordering, and consult your machinist for any oversize valve.