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Re: Which spark plugs to use - conflicting sources
Posted to Technical Discussion Forum on 2/6/2014 1 Reply

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No sir, the SK series is iridium tipped. 0.039" - 0.043" is the gap range if it ends in -11. The plugs will be pre-gapped and protected so it doesn't change in shipping. I've never in 10,000 Denso/NG... Login to read more.

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