The Supertech Inconel +1 mm exhaust valve for Nissan SR20DET is a single replacement valve sized 31.15 x 6.94 x 102.40 mm with a +1 mm head diameter over the standard. Offered individually, this Inconel exhaust valve is intended for selective replacement or valve service on SR20DET engines requiring the larger head dimension specified by this part.
Supertech Nissan SR20DET 31.15x6.94x102.40mm Inconel +1mm Exhaust Valve - Single (Drop Ship Only)