BRAND NEW NAMURA TOP END REBUILD KIT. INCLUDES PISTON, RINGS, WRIST PIN, CIRCLIPS, TOP END GASKET KIT, AND WRIST PIN BEARING. PISTON IS FOR .020 OVERBORE (72.50mm). ACTUAL SIZE OF PISTON IS 72.46mm.

PISTON HAS MOLYBDENUM/TEFLON SKIRT COATING THAT MINIMIZES RESISTANCE AND WEAR TO PROVIDE  EXTENDED LIFE.

PISTON HAS ANODIZED DOME THAT PROVIDES SUPERIOR HEAT RESISTANCE AND EXTENDED LIFE SPAN.

HYPEREUTECTIC  CAST PISTON HAS SUPER HIGH SILICON CONTENT FOR ADDITIONAL STRENGTH.

INCLUDES PREMIUM WORLD CLASS RINGS PRODUCED BY THE LARGEST JAPANESE OEM SUPPLIER IN THE WORLD.

FITS: 1985-1999 Polaris Trail Boss 250

          1990-2006 Polaris Trail Blazer 250 

        

**All returns must be in original condition, new and unused (just like it was received). A restocking fee (of up to 20%) may apply.**