Supertech Performance GEVI-3320S Inconel Exhaust Valve - 27.5mm

The Supertech Performance GEVI-3320S is a standard size Inconel exhaust valve designed for Opel and Vauxhall 1.6L and 1.8L engines including Z16LER, Z18LER, and A18XER applications. Supertech Inconel exhaust valves are engineered for extreme heat and sustained duty cycles, delivering reliable sealing and durability for turbocharged, supercharged, and endurance racing applications.

Key Features:

• 27.5mm head diameter (standard size), 4.95mm stem diameter, 113.15mm overall length
• Inconel-type superalloy selected for hot strength, resistance to thermal fatigue, and long-term stability under boost and track conditions
• High-temperature strength and creep resistance for sustained exhaust gas temperatures
• Excellent oxidation and corrosion resistance in exhaust environments
• One-piece forging with meticulous two-step forging process for superior grain flow and strength
• Precision-ground seat faces for repeatable sealing
• Single groove design with dished valve head

This valve must be used with single groove valve keepers KPR-5.0/7S. Ideal for engines that see elevated exhaust gas temperatures during extended boost or competition, designed to maintain strength and sealing under long sessions and repeated heat cycles.