Supertech black-nitride exhaust valve for Nissan SR20D, sized 31.15 × 5.94 × 102.40 mm and sold as a single. Specified for SR20D exhaust applications, this valve provides the listed dimensions for accurate fitment during selective replacement or head rebuilding where this diameter and length are required.
Supertech Nissan SR20D 31.15x5.94x102.40mm Blk Nitride Exhaust Valve - Single (Drop Ship Only)