SPI Polaris 550 Dual Ring Piston -

Condition: New SPI 

OEM Part #: 

2207579, 3085941, 3087026, 3088216, 3088218, 3089485, 3089486, 3089487

Manufactured by SPI
OE quality cast construction
Silicone aluminum alloy with Teflon and molybdenum coating
Hard anodized crown
Works with cast or Nikasil cylinders
Kit comes complete with piston, rings, circlips, and pin
Standard bore size - 85mm
Made in Taiwan