Engine Valves / Guides / Springs

Valve seat ring, outlet, oversize.



Fits:
Porsche 993 Carrera RS 1995-98

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

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96410433585

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Valve spring kit - high performance. 



Fits:
Porsche 911 - 1965 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998

Our Valve Springs are designed and manufactured to specifically fit the envelope of a Porsche application not a spring from another use. 

It operates a higher natural frequency than the original spring for racing and at the very least minimizes damage from over rev in track day situations. 

Please note
993 - must use 8mm Ti retainers and Aasco Seats

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HP109

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Valve spring ring. Sold each.



Fits:
Porsche 993 1995-98

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99310546302

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Valve spring seat kit - high performance. 



Fits:
Porsche 911 - 1965 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998

Our Steel Spring Seats pocket the inner spring of our Aasco High Performance Valve Springs.

Our Valve Springs are designed and manufactured to specifically fit the envelope of a Porsche application not a spring from another use. 

It operates a higher natural frequency than the original spring for racing and at the very least minimizes damage from over rev in track day situations. 

Please note
993 - must use 8mm Ti retainers and Aasco Seats

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

HPSS

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Valve spring



Fits:
Porsche 993 C2 / C4 3.6L 1994-97

Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.

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99310590151

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Valve spring. Porsche 993 1995-97



Fits:
Porsche 993 C2 / C4 3.6L 1994-97

Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.

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99310590151

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Valve stem collect for inlet and exhaust valves
24 per engine.



Fits:
Porsche 993 1994-98

Click picture for large parts diagram.
Diagram Ref no 15.

Valve stem seals. 

Sold individually; x12 required per engine. 

Fits:
Porsche 993 Carrera 1994-98
Porsche 993 Carrera RS 1995-98
Porsche 993 Turbo / S 1995-98
Porsche 993 GT2 1995-98

Diagram ref. 8.


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Related, superseded, cross reference or alternative numbers for comparison.

99310411102

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Valve stem seals washer for inlet and exhaust valves.
12 per engine



Fits:
Porsche 993 1994-98

Click picture for large parts diagram.
Diagram Ref no 11.

Valve stem seals washer for inlet and exhaust valves.
12 per engine



Fits:
Porsche 993 1994-98

Click picture for large parts diagram.
Diagram Ref no 11.

Valve stem seals for inlet and exhaust valves
12 per engine. Sold each.



Fits:
Porsche 993 1994-98

Click 'Zoom in' for large parts diagram.
Diagram Ref no 8.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99310411102

The product you are viewing cross references to these numbers

Valve stem seals for inlet and exhaust valves
12 per engine.



Fits:
Porsche 993 1994-98

Click 'Zoom in' for large parts diagram.
Diagram Ref no 8.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99310411102

The product you are viewing cross references to these numbers