Brian Crower exhaust valves sized 29.9mm for VW/Audi 1.8T engines are replacement components machined to the specified diameter for proper fitment in the 1.8T valve train. These exhaust valves are intended for engine rebuilds or upgrades where the 29.9mm exhaust valve size is specified. They provide the correct dimensions needed to restore sealing and exhaust flow characteristics in compatible 1.8T applications.
Brian Crower VW/Audi 1.8T 29.9mm Exhaust Valves