Polaris Big Boss 400l 400 Piston,bearing,top End Gasket Kit 83.50mm Bore + .50

Price: $ 90
  • Condition: New

Seller notes

BRAND NEW NAMURA TOP END REBUILD KIT. INCLUDES PISTON, RINGS, WRIST PIN, CIRCLIPS, WRIST PIN BEARING, AND TOP END GASKET KIT. PISTON IS FOR .020 OVERBORE (83.50mm). ACTUAL SIZE OF PISTON IS 83.44mm. NAMURA PISTONS FEATURE THE FOLLOWING: High-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing.Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy.H...

    • Condition: New
  • Location: 496**, Interlochen, Michigan

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