Supertech Intake Valves for Mazda Protege

Supertech intake valves are precision ground from stainless steel and finished with Supertech's proprietary Black Nitride treatment for exceptional wear resistance and durability.

Each valve features a swirl-polished head for improved flow, and titanium options are available on select applications for maximum RPM and minimum valvetrain mass. For the Mazda Protege, Supertech offers 2 part numbers, including Stainless Steel Black Nitride Intake Valves - Oversize +1mm.

Key Features

• Stainless steel with proprietary Black Nitride treatment
• Swirl-polished heads for improved airflow
• Precision ground to strict tolerances
• Titanium options for maximum RPM and low mass on select applications
• Standard and oversize head diameters on select applications
• Sold individually or as full engine sets

Applications

Supertech intake valves are a direct upgrade for the Mazda Protege in street, boosted and race builds. Confirm head diameter, stem diameter and overall length against your cylinder head before ordering, and consult your machinist for any oversize valve.