33mm (+1.6mm) Nitrited exhaust 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 need piston machining)
- Groove positions machined for stock spring installed height
- Valve tip extended +1mm for reduced base circle cams for optimum geometry, works with stock camshaft (Can be easily machined shorter if needed)
- Valve face 0.5mm thinner than stock to add additional clearance to piston.
- Flat, non dished valve face retains compression ratio
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Made from 21-4N stainless and black nitrided
- Stem diameter 6.98mm
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Total valve length is 0.5mm longer than stock (89.9mm)
Fits ajm/arl/asz/auy/atd/axr/ etc.