The Supertech Inconel exhaust valve set for Nissan SR20D applications includes eight +1mm oversize exhaust valves. Specified for SR20D engines, this set supplies the stated +1mm oversize Inconel exhaust valves for use in head reconditioning or valve replacement where the oversize dimension is required.
Supertech Nissan SR20D Inconel Exhaust Valve - +1mm Oversize - Set of 8