The Supertech sodium-filled Inconel exhaust valve for BMW B48/B58 is a single replacement valve sized 28.5 x 5.95 x 100.1 mm with a dished head. Supplied as a single unit with sodium-filled Inconel construction, it is intended for exhaust valve service on applicable B48 and B58 engines where a sodium-filled replacement is specified.
Supertech BMW B48/B58 28.5x5.95x100.1mm Dish Sodium Filled Inconel Exhaust Valve- Single (D/S Only)