W31FS Denso 3pk
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W31FS Denso 3pk

Price: $2.56
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The W31FS plug has 1/2" Reach and is a Cold Range Plug

This plug is for use in the Briggs 5HP Motor with Methanol.

DENSOs patented U-Groove spark plug enables complete combustion by allowing the spark to fill the gap created by the U shape. The ball of fire created in the U-Groove develops a larger and hotter flash front that virtually eliminates excessive fouling and erratic starts caused by poor fuel mixtures.


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