Pelican Parts Forums - Spark Plug ID

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Spark Plug ID - RS ?!?

OK - I've got the following plugs in trade and am not sure of what they are. Any help with ID would be appreciated:

- NOS Porsche packaging
- 4 per blister pack (I've got 3 packs - 12 plugs)
- Stamped 'Beru W Germany RS 35'
- 'RS' with 3 stripes painted on the ceramic insulator

The guy I got them from thought they were NOS RS plugs, but I have some reservations:
- Porsche wouldn't package 4 plugs per pack for a 6 cyl engione would they?
- The tech spec hand book show Beru part # 265/14/3 for the 2.4 E, 2.4 S & 2.7 RS

Any ideas?

Thanks,
Andrew M

Any Ideas?
Here are some pics:

http://forums.pelicanparts.com/uploa...1064801410.jpg

Thanks,
Andrew M