Check these plugs our.

[panther427]

First off these are for an audi product. But these were the stock plugs in 1992 for the new S4 with the AAN motor. have never seen another plug like them.

If they would fit our car i would try them. Look closely at the ground wire. A unigue design.


http://www.ecstuning.com/ES1430/
http://jhmotorsports.com/shop/catalog/spark-plug-bosch-platinum-sidefire-bosch-heat-range-18t-20t-27t-p-367.html

 

[SHOdded]

Interesting!

 

[crash712us]

Looks exactly like the plugs my 1990 VW G60 Corrado used. What are you expecting from this plug to do beside spend 3x to much money for?


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[panther427]

its exposes the spark in a different manor that a standard plug. Thats the interesting part to them. You basically had to use them on the AAN 5cyl motor. That car used high compression with boost. Talking about 1992 with static comp in the 9.5:1 range plus 14 pounds of boost on a port fuel injection.

 

[SHOdded]

Another interesting oldiebutgoodie plug:
http://www.boschautoparts.com/platinum-4-spark-plugs

 

[wasinger3000]

You could always try this... http://densoautoparts.com/spark-plugs/iridium-racing