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Old 03-23-2011, 10:46 AM
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rohmell rohmell is offline
Motorized Bicycle Elite Member
Join Date: Jun 2010
Location: New York
Posts: 1,533
Default Re: what plug is best to replace stock

I don't know why anyone would want a spark plug made like this:
YouTube - How spark plugs are made today

When they can get one made like this:
YouTube - spark plug movie
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