NAMURA NA-50000-4K TOP END KIT 72.96/+1.00 11:1 POL
Manufacturer Part Number: NA-50000-4K
WPS Part Number: 186-50004
Product Type: Piston kits & Components
Features
- Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit
- 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
Verified Vehicle Fitment
- 1989 Polaris Big Boss 250 4X6
- 1990 Polaris Big Boss 250 4X6
- 1991 Polaris Big Boss 250 4X6
- 1992 Polaris Big Boss 250 4X6
- 1991 Polaris Big Boss 250 6X6
- 1992 Polaris Big Boss 250 6X6
- 1990 Polaris Trail Blazer 250
- 1991 Polaris Trail Blazer 250
- 1992 Polaris Trail Blazer 250
- 1993 Polaris Trail Blazer 250
- 1994 Polaris Trail Blazer 250
- 1995 Polaris Trail Blazer 250
- 1996 Polaris Trail Blazer 250
- 1997 Polaris Trail Blazer 250
- 1998 Polaris Trail Blazer 250
- 1999 Polaris Trail Blazer 250
- 2000 Polaris Trail Blazer 250
- 2001 Polaris Trail Blazer 250
- 2002 Polaris Trail Blazer 250
- 2003 Polaris Trail Blazer 250
- 2004 Polaris Trail Blazer 250
- 2005 Polaris Trail Blazer 250
- 2006 Polaris Trail Blazer 250
- 1991 Polaris Trail Boss 250 2X4
- 1992 Polaris Trail Boss 250 2X4
- 1993 Polaris Trail Boss 250 2X4
- 1994 Polaris Trail Boss 250 2X4
- 1995 Polaris Trail Boss 250 2X4
- 1996 Polaris Trail Boss 250 2X4
- 1997 Polaris Trail Boss 250 2X4
- 1998 Polaris Trail Boss 250 2X4
- 1999 Polaris Trail Boss 250 2X4
- 2000 Polaris Xplorer 250 4X4
- 2001 Polaris Xplorer 250 4X4
- 2002 Polaris Xplorer 250 4X4
Yes
