Namura Piston Kit 72.96mm Bore 1.00mm Oversize for ATV/UTV Polaris Engine (NA-50000-4)

Name: Namura Piston Kit 72.96mm Bore 1.00mm Oversize for ATV/UTV Polaris Engine (NA-50000-4)
Brand: Namura
SKU: 873785495
Price: 64.31 USD
Availability: InStock

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Key item features

MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures
Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%
Anodized Domes - Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons
Hypereutectic Casting Process - Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures

Specs

Vehicle make
POL
Vehicle year
1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Vehicle fitment type
Specific
Brand
Namura
Automotive specialty part type
Engine
Material
Hypereutectic Aluminum

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Product details

Bore: 72.96mm
Sizing: 1.00mm Oversize
MOS2 (made with Teflon™/Molybdenum) Coated Skirts - A rolled on application process provides a fits Bond™ that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. Anodized Domes - Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons. Hypereutectic Casting Process - Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures.

This item fits the following vehicle applications:
1989-1992 fits POL Big Boss 250 4x6
1991-1993 fits POL Big Boss 250 6x6
1987 fits POL Cyclone 250X
1985-1986 fits POL Scrambler 250
1990-2006 fits POL Trail Blazer 250
1991-1999 fits POL Trail Boss 250
1988-1993 fits POL Trail Boss 250 2x4
1987-1993 fits POL Trail Boss 250 4x4
1985-1988 fits POL Trail Boss 250R/ES
2000-2002 fits POL Xplorer 250 4x4

MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures
Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%
Anodized Domes - Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons
Hypereutectic Casting Process - Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures

info:

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Specifications

Vehicle make

POL

Vehicle model

Big Boss 250 4x6, Big Boss 250 6x6, Cyclone 250X, Scrambler 250, Trail Blazer 250, Trail Boss 250, Trail Boss 250 2x4, Trail Boss 250 4x4, Trail Boss 250R/ES, Xplorer 250 4x4

Vehicle year

1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006

Vehicle fitment type

Specific

Warranty

Warranty information

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