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The Supertech exhaust valve set for Honda H23 applications includes eight black-nitrided exhaust valves supplied +1mm oversize for cylinder head service. Provided as a complete matched set, these valves accommodate seat machining and rebuild requirements, restoring correct seating and valve geometry during overhaul. Supplied to replace the exhaust valves across the H23 engine head.
Supertech Honda H23 Black Nitrided Exhaust Valve - +1mm Oversize - Set of 8
