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Supertech sodium-filled Inconel exhaust valve set for Subaru EJ20/EJ25 engines, supplied +1mm oversize and sold as a set of 8. These Inconel valves include sodium-filled stems for enhanced heat transfer, suitable for rebuilds or high-temperature exhaust applications that require an oversize replacement. They provide a higher-temperature alloy option when valve seat work calls for +1mm components.
Supertech Subaru EJ20/EJ25 Sodium Filled Inconel Exhaust Valve - +1mm Oversize - Set of 8
