Engine Valves / Guides / Springs

Rennline valve lash tool.



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

Product Description

Valve lash adjustments on the air-cooled 911 engine can be a frustrating and time consuming experience, even for the seasoned Porsche mechanic.
Working in close, cramped quarters can make valve adjustments an unpleasant procedure.

Finally, there is a simpler, faster and more exacting way to adjust valve lash on all air-cooled Porsche 911 engines! From the professional mechanic to the owner/enthusiast, this easy-to-use device is made to last for many years and will prove to be a valuable addition to your 911 toolbox.

• Repeatable 0.1 mm (.004 in) lash clearance settings on every valve
• Saves time and provides more accurate over traditional feeler gauge methods
• Aluminum and steel construction
• Zinc plated finish provides corrosion protection
• Laser engraved markings
• Durable box with foam insert for safe storage

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

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Related, superseded, cross reference or alternative numbers for comparison.

HP109

The product you are viewing cross references to these numbers

9mm Titanium valve spring retainer disc kit - high performance. 



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

9mm Porsche 911 titanium valve spring retainers for 9mm valves. 

Can be used to directly replace OE retainers but we recommend using in conjunction with Aasco HP109  valve springs and HPSS spring seats.

Set of 12

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Related, superseded, cross reference or alternative numbers for comparison.

HP10T9

The product you are viewing cross references to these numbers

Valve spring seat inlet and exhaust. 

Sold each - 12 per car

Fits:
Porsche 911 - 1965 to 1989
Porsche 911 turbo - 1975 to 1989
Porsche 964 - 1989 to 1994
Porsche 914/6 - 1970 to 1976

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

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Related, superseded, cross reference or alternative numbers for comparison.

90110542104

The product you are viewing cross references to these numbers

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

The product you are viewing cross references to these numbers

Valve spring.
This spring pair fits all 911's from 1965 to 1994.



Fits:
Porsche 911 1965-89
Porsche 964 1989-94

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

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Related, superseded, cross reference or alternative numbers for comparison.

90110590151

The product you are viewing cross references to these numbers

Valve spring
This spring pair fits all 911's from 1965 to 1994.



Fits:
Porsche 911 1965-89
Porsche 964 1989-94

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

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

90110590151

The product you are viewing cross references to these numbers

Valve stem seals. Price shown is for each.



Fits:
Porsche 911 1968-89 (12 Per Engine)
Porsche 924S (8 Per Engine)
Porsche 944 (8 Per Engine)
Porsche 944 2.7L (8 Per Engine)
Porsche 964 3.6L (12 Per Engine)
Porsche 964 Turbo (12 Per Engine)
Porsche 928 (16 Per Engine)

Click 'Zoom in' for large parts diagram.
Diagram Ref No 19.

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

96410411107

The product you are viewing cross references to these numbers

Valve stem seals. Porsche 911/ 924/944/964
EACH



Fits:
Porsche 911 1968-89 (12 Per Engine)
Porsche 924S (8 Per Engine)
Porsche 944 (8 Per Engine)
Porsche 944 2.7L (8 Per Engine)
Porsche 964 3.6L (12 Per Engine)
Porsche 964 Turbo (12 Per Engine)
Porsche 928 (16 Per Engine)

Click 'Zoom in' for large parts diagram.
Diagram Ref No 19.

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

96410411107

The product you are viewing cross references to these numbers