The Supertech black-nitrided exhaust valve set for Honda and Acura K20/F20 applications is supplied as eight valves in a 31.00 mm standard head size. These exhaust valves feature a black nitrided surface treatment and are offered as a complete eight-piece set for valve replacement or rebuilds on the listed K20/F20 engine applications. Verify head diameter and fitment before ordering.
Supertech Honda/Acura K20/F20 Black Nitrided Exhaust Valve - 31mm Std - Set of 8