These B-quality spark plug cables are similar in appearance to the standard cables, with the difference that they are not only available in black but also in various other colours (except for Type 4 cables). This allows you to combine the spark plug cables with various other engine accessories.
Just like the original, they are equipped with interference suppression heads and a rubber outer shell with a copper core, but the quality is not the best. The big difference in quality between this B-quality and the popular A-quality lies in the service life, they harden faster and the risk of breakage is greater.
If you want a spark plug cable that is similar in design and composition to the original but of the best possible quality, then assemble quality A.
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