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  • Namura TOP END REPAIR KIT .040 NA-50001-4K fits 1990-1993 Polaris Trail Boss 350l 2X4, Trail Boss 350l 4X4 / 1993 Polaris BIG Boss 350l 6X6
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Namura NAMURA TOP END REPAIR KIT .040 NA-50001-4K
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Namura TOP END REPAIR KIT .040 NA-50001-4K fits 1990-1993 Polaris Trail Boss 350l 2X4, Trail Boss 350l 4X4 / 1993 Polaris BIG Boss 350l 6X6

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

Namura
NA-50001-4K
In stock
$128.95 USD $101.99 USD
$101.99 USD
Namura TOP END REPAIR KIT .040 NA-50001-4K fits 1990-1993 Polaris Trail Boss 350l 2X4, Trail Boss 350l 4X4 / 1993 Polaris BIG Boss 350l 6X6
Description
NAMURA TOP END REPAIR KIT.*  Top end repair kits include: Pistons, rings, and top end gasket sets.*  Namura Pistons have molybdenium/teflon skirt coatings which minimizes resistance and wear and anodized domes which provide superior heat or resistance.*  Both of these features help to extend the life span of the pistons. *  Rings will fit OEM pistons. *  Namura Top End Gasket Sets are precision cut Klingersil coated steel head gaskets for better sealing and high-temp resistance.


This Part Fits:

Year Make Model Submodel
1990-1993 Polaris Trail Boss 350L 2x4
1990-1993 Polaris Trail Boss 350L 4X4
1993 Polaris Big Boss 350L 6x6
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