The Supertech Inconel exhaust valve set for Honda F20C1/F22C1 applications is a +1mm oversize option supplied as a set of eight. These Inconel valves and the +1mm sizing are listed for F20C1 and F22C1 engines, with material and oversize specified to help ensure compatibility during cylinder head servicing.
Supertech Honda F20C1/F22C1 Inconel Exhaust Valve - +1mm Oversize - Set of 8