The key is superior shaft material that not only has high-yield strength

This correlates with all the known championship regulations

boost reference signals or associated limitations

Suitable for most BMW's using the N55 straight 6 turbo or the N63/S63 engine

57mm Diaphragm (UNF) 6inHg : TS-0604-2065\n76mm Diaphragm (UNF) 6inHg : TS-0604-2067\nVehicle Specific Applications

BOV Kompact Dual Port 2.0T VAG V2 Spacers The key is superior shaftKompact VAG V2 Dual Port has been specifically to suit the 2. 0L VAG engine Unlike the standard, plastic valves that use un reinforced diaphragms and are known to crack under increased boost, the new Kompact VAG V2 Dual Port uses O Ring sealed piston which, coupled with it's billet aluminium construction give it over 30PSI boost handling capability. VAG V2 Dual Port kit: Model specific valve, Mounting screws and Spring clamps.