Supertech Inconel exhaust valves for Mazda and Ford Duratec 2.0L/2.3L engines are supplied as an eight-piece +1mm oversize set. These valves are intended for Duratec cylinder heads that require an oversize exhaust valve option after seat or guide work. The set of eight covers a full engine valve replacement when +1mm sizing is specified by the engine rebuild or repair procedure.
Supertech Mazda/Ford Duratec 2.0L/2.3L Inconel Exhaust Valve - +1mm Oversize - Set of 8