hks plugs

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09 February 2016, 06:51 PM

RAGGY DOO

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hks plugs

fitted these one grade colder to my jdm hatch cars running perfect but i heard theyre prone to tips breaking off them at high boost anyone have issues using these plugs?

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09 February 2016, 07:47 PM

**jay**

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7 grade ngks in my 500bhp car would not risk any other plugs

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09 February 2016, 08:41 PM

bro82

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I had them on my Spec C when it's been imported, but now changed to NGK, couldn't see the difference though

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10 February 2016, 10:23 AM

Markfey

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As above. They do tend to fail as do the after market leads. Had numerous imprezas now and each import i've had the aftermarket leads and plugs get ripped off for OEM leads and NGK plugs