
Namura Oversized Piston Kit for Polaris 250 Models - 73.46mm - NA-50000-6
Namura Technologies Piston Kit
- Namura gives you a higher performance piston without the higher price
- MOS2 Coated Skirts increase heat transfer and reduce friction to eliminate cold seizures.
- Higher silicon content reduces expansion rates and increasesÊwear resistance.
- Machined Smooth Heads Reflect combustion heat and reduces carbon buildup.
- Namura piston kits come with the piston, a set of OEM quality rings, a wrist pin, and circlips.
Why replace your cylinder when you can replace the piston for a fraction of the cost and time? Namura offers direct replacements for the original equipment as well as hi-compression and a variety of bore sizes to meet your ride's needs. MOS2 (Teflon/Molybdenum) Coated Skirts increased heat transfer, reduced friction, and helping to eliminate cold seizures. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup, protecting the top of the piston. Anodized Domes Increase heat resistance and durability; anodized domes are 75% stronger than non-anodized pistons. Hyper-eutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance. Namura gives you a higher performance piston without the higher price. Namura piston kits come with the piston individually wrapped, a set of OEM quality rings packed in their own box, a wrist pin, and circlips.
| Product Line | Namura Piston Kit |
| Part Number | NA-50000-6 |
| Fitment Type | Model-Size-Specific Fitment |
| Use Type | Aftermarket Replaceent |
| Unit Sale Qty | |
| Style | Oversized Piston Kit |
| Position | |
| Material | |
| Finish | |
| Piston/Cylinder Size | 73.46mm |
| Piston Size Added | 1.50mm |
| Cylinder Stroke Volume | |
| Final Engine Displacement | |
| California Emissions | FALSE |
| Product Disclaimer | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |
1985 Polaris Trail Boss 250
1986 Polaris Trail Boss 250
1987 Polaris Trail Boss 250
1988 Polaris Trail Boss 250
1989 Polaris Big Boss 250 4x6 & 6x6
1989 Polaris Trail Boss 250
1990 Polaris Big Boss 250 4x6 & 6x6
1990 Polaris Trail Blazer 250
1990 Polaris Trail Boss 250
1991 Polaris Big Boss 250 4x6 & 6x6
1991 Polaris Trail Blazer 250
1991 Polaris Trail Boss 250
1992 Polaris Big Boss 250 4x6 & 6x6
1992 Polaris Trail Blazer 250
1992 Polaris Trail Boss 250
1993 Polaris Trail Blazer 250
1993 Polaris Trail Boss 250
1994 Polaris Trail Blazer 250
1994 Polaris Trail Boss 250
1995 Polaris Trail Blazer 250
1995 Polaris Trail Boss 250
1996 Polaris Trail Blazer 250
1996 Polaris Trail Boss 250
1997 Polaris Trail Blazer 250
1997 Polaris Trail Boss 250
1998 Polaris Trail Blazer 250
1998 Polaris Trail Boss 250
1999 Polaris Trail Blazer 250
1999 Polaris Trail Boss 250
2000 Polaris Trail Blazer 250
2000 Polaris Xplorer 250
2001 Polaris Trail Blazer 250
2001 Polaris Xplorer 250
2002 Polaris Trail Blazer 250
2002 Polaris Xplorer 250
2003 Polaris Trail Blazer 250
2004 Polaris Trail Blazer 250
2005 Polaris Trail Blazer 250
2006 Polaris Trail Blazer 250
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Namura Technologies Piston Kit
- Namura gives you a higher performance piston without the higher price
- MOS2 Coated Skirts increase heat transfer and reduce friction to eliminate cold seizures.
- Higher silicon content reduces expansion rates and increasesÊwear resistance.
- Machined Smooth Heads Reflect combustion heat and reduces carbon buildup.
- Namura piston kits come with the piston, a set of OEM quality rings, a wrist pin, and circlips.
Why replace your cylinder when you can replace the piston for a fraction of the cost and time? Namura offers direct replacements for the original equipment as well as hi-compression and a variety of bore sizes to meet your ride's needs. MOS2 (Teflon/Molybdenum) Coated Skirts increased heat transfer, reduced friction, and helping to eliminate cold seizures. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup, protecting the top of the piston. Anodized Domes Increase heat resistance and durability; anodized domes are 75% stronger than non-anodized pistons. Hyper-eutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance. Namura gives you a higher performance piston without the higher price. Namura piston kits come with the piston individually wrapped, a set of OEM quality rings packed in their own box, a wrist pin, and circlips.
| Product Line | Namura Piston Kit |
| Part Number | NA-50000-6 |
| Fitment Type | Model-Size-Specific Fitment |
| Use Type | Aftermarket Replaceent |
| Unit Sale Qty | |
| Style | Oversized Piston Kit |
| Position | |
| Material | |
| Finish | |
| Piston/Cylinder Size | 73.46mm |
| Piston Size Added | 1.50mm |
| Cylinder Stroke Volume | |
| Final Engine Displacement | |
| California Emissions | FALSE |
| Product Disclaimer | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |
1985 Polaris Trail Boss 250
1986 Polaris Trail Boss 250
1987 Polaris Trail Boss 250
1988 Polaris Trail Boss 250
1989 Polaris Big Boss 250 4x6 & 6x6
1989 Polaris Trail Boss 250
1990 Polaris Big Boss 250 4x6 & 6x6
1990 Polaris Trail Blazer 250
1990 Polaris Trail Boss 250
1991 Polaris Big Boss 250 4x6 & 6x6
1991 Polaris Trail Blazer 250
1991 Polaris Trail Boss 250
1992 Polaris Big Boss 250 4x6 & 6x6
1992 Polaris Trail Blazer 250
1992 Polaris Trail Boss 250
1993 Polaris Trail Blazer 250
1993 Polaris Trail Boss 250
1994 Polaris Trail Blazer 250
1994 Polaris Trail Boss 250
1995 Polaris Trail Blazer 250
1995 Polaris Trail Boss 250
1996 Polaris Trail Blazer 250
1996 Polaris Trail Boss 250
1997 Polaris Trail Blazer 250
1997 Polaris Trail Boss 250
1998 Polaris Trail Blazer 250
1998 Polaris Trail Boss 250
1999 Polaris Trail Blazer 250
1999 Polaris Trail Boss 250
2000 Polaris Trail Blazer 250
2000 Polaris Xplorer 250
2001 Polaris Trail Blazer 250
2001 Polaris Xplorer 250
2002 Polaris Trail Blazer 250
2002 Polaris Xplorer 250
2003 Polaris Trail Blazer 250
2004 Polaris Trail Blazer 250
2005 Polaris Trail Blazer 250
2006 Polaris Trail Blazer 250






















