This Supertech Inconel exhaust valve is a +1mm oversize single for Honda H22A1 and H22A4 applications. Supplied as an exhaust-side replacement, the oversize dimension supports valve seat refurbishment, and the Inconel construction is appropriate for higher-temperature exhaust service encountered in H22 cylinder head rebuilds.
Supertech Honda H22A1/H22A4 Inconel Exhaust Valve - +1mm Oversize - Single (Drop Ship Only)