The Supertech dished black nitride intake valve for BMW B48 is a single replacement valve sized 31.10 x 4.96 x 99.50 mm with a dished head and black nitride finish. Sold individually, this intake valve is intended for selective replacement or valve service on BMW B48 applications where the larger 31.10 mm head dimension is specified.
Supertech BMW B48 31.10x4.96x99.50mm Dish Black Nitride Intake Valve - Single (Drop Ship Only)