Audi A8 S4 RS6 4.2 40V V8 Supertech intake valve AIVN-1206S +1mm
Part number AIVN-1206S (+1.00mm).
Supertech black nitrided stainless steel (high flow version) intake valve.
For Audi A8, S4, RS6 (2003-2008) - 4.2 V8 40V.
Must be used single groove valve keepers KPR-6S-7.