For a bit of nostalgia, how about this Spark Plug Cleaner and Tester on UK ebay. www.ebay.co.uk Item number: 130797414833 I would think there are loads in the USA, and shipping would be less - so would the voltage! Alternatively this is handier:- Item number: 290813202362 I've got one like this. Dave UK VW Type 3&4 Club ===================