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SIERRA Sierra-Propnut Merc Kit

Model # 549790Mfg # 18-3701D


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In stock online.

Product Description

The prop nuts (lock nut design) bolt the prop to the prop shaft. The tab washer has ears, that when pressed down over the prop space nut, prevent the prop nut from loosening. 

  • The prop nuts are made of brass and the washers of stainless steel.