2 SPI Pistons & Top End Gasket Kit 1986-1999 Polaris 500 Indy Trail 488cc 72mm Fan Cooled
- Namura pistons are made to exact OEM specifications and are direct replacements for OEM pistons with no modifications or dimensional adjustments needed.
- Piston kits come with the piston(s) individually wrapped, a set of OEM quality rings packed in their own box, wrist pin(s), and circlips.
- Namura pistons have MOS2 (Molybdenum/Teflon) skirt coatings, high-silicon aluminum and anodized domes.
- A, B and C pistons are available to help extend the life of expensive Nikasil, SCEM, Boron Composite and Ceramic Cylinders.
- Namura rings are made by Riken, the world's largest OEM manufacturer and are the same OEM rings used on more motorcycles and ATV's than any other brand.