The Supertech Inconel exhaust valve for Honda H22A1/H22A4 is a +1mm oversize single replacement intended for exhaust port service. Offered for use during cylinder head repairs, this valve helps restore proper seating and clearances after machining and is specified for the H22A series exhaust applications.
Supertech Honda H22A1/H22A4 Inconel Exhaust Valve - +1mm Oversize - Single (Drop Ship Only)