The Supertech Inconel exhaust valves are a set of eight for Nissan SR20VE engines, offered +2mm oversize. Presented as exhaust valve replacements, the Inconel material and oversize specification are explicit in the source title and intended for engine rebuilds or performance-oriented valve servicing where higher-temperature resistance of exhaust valves is desired.
Supertech Nissan SR20VE Inconel Exhaust Valve - +2mm Oversize - Set of 8