I ordered and fitted these gapped spark plugs on my 2007 Volvo S40 (non turbo) and they work great. I immediately noticed improved throttle response and the 5 cylinder idles much better. Glad I took the advice from the Volvo forums and chose these over the Iridium plugs. Please note the picture is wrong and these plugs have 4 separate ground electrodes around the center electrode.
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