Namura Standard Bore Size A Top End Kit for Arctic Cat 500 4x4 2003-2009 87.5mm

Kit includes piston, rings, pin, clips, & top end gasket kit (you get exactly what is pictured). Cast piston has super-high silicone content for additional strength.

Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life. Piston dome is anodized for superior heat resistance and longer lifespan.

Namura gaskets use performance materials to increase durability and provide greater reliability. Includes all gaskets pictured to rebuild top end. Kit is for standard bore size - 87.50mm. Size A piston is 87.45mm. Compatible with Arctic Cat models below.

2003 500 4x4 Auto FIS. 2003 500 4x4 Auto FIS MRP. 2003 500 4x4 Auto TBX.

2003 500 4x4 Auto TRV. 2003 500 4x4 Manual FIS.

2003 500 4x4 Manual FIS MRP. 2004 500 4x4 Auto FIS. 2004 500 4x4 Auto FIS MRP. 2004 500 4x4 Auto TBX. 2004 500 4x4 Auto TRV. 2004 500 4x4 Manual FIS. 2004 500 4x4 Manual FIS MRP.

2005 500 4x4 Auto FIS. 2005 500 4x4 Auto TBX. 2005 500 4x4 Auto TRV. 2005 500 4x4 Manual FIS. 2006 500 4x4 Auto FIS.

2006 500 4x4 Auto TBX. 2006 500 4x4 Auto TRV. 2006 500 4x4 Manual FIS. 2007 500 4x4 Auto FIS.

2007 500 4X4 Manual FIS. 2008 500 4x4 Auto FIS. 2008 500 4x4 Auto TRV. 2008 500 4X4 Manual FIS. If you have a PO Box, please include the PO BOX address and a street address when you check out.

We do maintain a retail location but it does not stock our entire inventory. Any return is subject to refusal if the item is damaged beyond usable condition. We will try to resolve any issues, but we can't rectify a problem if we are not aware of it.