The Supertech black nitrided intake valve +1mm oversize is a single replacement for Audi BHF/BHK 4.2L V8 40-valve engines and is offered as a drop-ship item. The listing identifies the +1mm oversize dimension, the black nitride finish, and the specific BHF/BHK engine codes, making it a targeted service part for compatible Audi 4.2L V8 40V cylinder heads.
Supertech Audi BHF/BHK 4.2L V8 40V Black Nitrided Intake Valve - +1mm Oversize - Single (D/S Only)