The Supertech Inconel exhaust valve for Honda D16Z6, D16Y, D15B and D17A engines is a +1mm oversize single replacement intended for exhaust-side head work. Offered for use during valve jobs or seat machining, the oversize sizing supports reconditioning and the Inconel material is specified for exhaust-temperature durability in these Honda engines.
Supertech Honda D16Z6/D16Y/D15B/D17A Inconel Exhaust Valve - +1mm Oversize - Single