Namura Top-end Repair Kit For Polaris 250 Trail Boss 1985-1999 +1.5 Bore
Price:
$ 81
- Condition: New
Seller notes
Namura Top-End Repair Kit For POLARIS 250 TRAIL BOSS 1985-1999 +1.5 Bore Bore Size: 73.46mm Size Over Standard: +1.5mmIncludes pistons, rings and top end gasket sets (and needle bearings when needed)Machined smooth piston crown (unless otherwise noted) to reflect combustion heat while reducing carbon buildupHard anodized piston crown with a hardness of HRB 105MOS2 coating to draw heat through piston walls and out the bottomMinimized piston expansion and contractionPistons are more resistant to w...
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