Do i need to gap these spark plugs?
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Joined: Apr 2007
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From: South Wales
Do i need to gap these spark plugs?
Just had my NGK PFR6B's for my classic impreza
I have PPP fitted, do i need to change the gap on these plugs??
It says on the box that by adjusting the gap you could damage them
I have PPP fitted, do i need to change the gap on these plugs??
It says on the box that by adjusting the gap you could damage them
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