Supertech Performance VWIVN-1014 Performance Engine Valve

Supertech Performance brings over 20 years of manufacturing expertise to their precision-engineered engine valves. Developed in close collaboration with professional engine builders and backed by intensive testing, Supertech valves deliver superior flow rates, long-term durability, and consistent quality across a wide range of performance applications.

Recognizing that every engine has unique demands, Supertech offers valves in multiple material grades to suit everything from street performance builds to high-output forced induction applications.

Available Material Options:

• Stainless Steel (EV8 / 21-4N Alloy): One-piece forged construction for maximum strength and reliability. EV8 (21-4N) stainless is Supertech's primary alloy for both intake and exhaust valves, with additional alloy and heat treatment options available for specialized applications.
• Inconel 751 Nickel-Base Alloy: Designed for exhaust valves operating under extreme heat conditions, such as those found in turbocharged or supercharged engines where standard stainless alloys may fall short.

Coating Technologies:

• Chrome Coating: A widely used treatment in performance valve applications, providing excellent surface hardness and wear resistance.
• Black Nitride Treatment: A hardening process that produces a smoother surface finish than chrome, resulting in reduced friction between the valve stem and guide for improved longevity and performance.

Sold individually — per valve. Order the quantity equal to the total number of valves required by your engine (e.g., order 16 for a 16-valve engine).