37mm (+1mm) Nitrited intake valve for 1.9 and 2.0 8v TDI PD engines.-
Maximum valve size what can be used with stock seat inserts
- Fits stock piston valve pockets (does not require piston machining)
- Groove positions machined for stock spring installed height
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Valve tip extended +1mm for reduced base circle cams for optimum
geometry, works with stock camshaft (Can be easily machined shorter if
needed)
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Flat, non dished valve face retains compression ratio.
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Made from 21-4N stainless and black nitrided
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Stem diameter 6.98mm
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Total valve length is 1mm longer than stock (89.9mm)
Fits ajm/arl/asz/auy/atd/axr/ etc.
