ALM Manufacturing 01423 797208 supply them part number GP281 available at your local hardware shop.
Do a search on ebay for GP281
Or B&Q stock them EAN: 0000003303702
Richard
November 2009
Spark plug socket and socket wrench should be available from any good tool store or motorist shop. Spark sockets have extended internal depth to accommodate spark plug body. Motorist shop will also sell spark plug - try harder...
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