This Supertech Inconel exhaust valve for Honda K20 engines is a +0.5mm oversize single replacement aimed at exhaust-side head repairs. The oversize option supports seat machining and reconditioning while the Inconel material is chosen for exhaust-temperature durability in K20 cylinder head rebuilds or valve service.
Supertech Honda K20 Inconel Exhaust Valve - +0.5mm Oversize - Single (Drop Ship Only)