Supertech Performance Standard Size Valves for B6 / 7 Audi S4 BHF /BBK 40V 4.2L

AMTuned has partnered with Supertech Performance and now have a private label standard size replacement performance valve only available through AMTuned. This is the best replacement valve on the market. These valves have standard size valve dimensions AND a triple groove keeper style so you can reuse your factory keepers. There are no clearance issues with factory pistons and these valves will perform in anything from factory build specs to high horsepower record breaking forced induction builds.  This item may also fit many 4.2L belt variant engines. It is the customers responsibility to ensure compatibility.  Included in kit is: 24 - AIVN1204T Black Nitride Intake Valves - Standard Size - Triple Groove 16 - AEVI1204T Inconel Exhaust Valves - Standard Size - Triple Groove