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Old 01-11-2010, 04:38 PM
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mdlee1958 mdlee1958 is offline
Motorized Bicycle Elite Member
Join Date: Feb 2009
Location: Fort Collins, Colorado
Posts: 204
Default Re: Shorty Spark Plugs

But my concern would be with the additional length of threads will it clear the piston head ? I guess the easy way to tell would be to lay it down next to the OEM plug that comes with the engine and compare the two side by side.
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