Supertech black-nitride exhaust valve for Nissan SR20D, sized 30.15 × 5.94 × 102.40 mm and sold as a single. This exhaust valve matches SR20D dimensions for individual cylinder-head repairs or selective replacement, offering the listed nitrided finish and exact sizing for correct seating in SR20D exhaust ports.
Supertech Nissan SR20D 30.15x5.94x102.40mm Blk Nitride Exhaust Valve - Single (Drop Ship Only)