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bosch ngk spark plug
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  1. Spider - 105 & 115 Series (1966-1994)
    Hi, I recently bought a 1982 S2 Spider, and since the engine was failing, I checked the spark plugs (NGK B7ES), and they were severely worn out. From what I read on several posts, I ordered 4 Bosch Super 4 WR78X, and to my surprise, after replacing the worn out ones, my car won't even start...
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