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Product Description
NGK BPHS spark plugs are 14mm short thread with extended electrodes. Numbers correspond to the temperature of the spark. 5 is the hottest and 10 is the coolest. stock mopeds will generally run a 5 or 6, kitted mopeds maybe a 7 or 8, high compression kits may want a 9 or 10. OEM quality, triple-gasket sealing process, consistent performance, plug of choice in millions of mopeds!
1977 - 1981 Honda NA and NC express mopeds had a BP4HS on the stock motor.
*Picture is not extended electrode* you will receive an extended electrode plug.
