04-07 SKI-DOO MXZ XRS 800HO PISTONS,DUAL RING, BEARINGS,FULL GASKETS STD 82mm

Description

INCLUDES (2) SPI DUAL PISTONS, RINGS, WRIST PINS,
CIRCLIPS
, WRIST PIN NEEDLE BEARINGS, AND A FULL ENGINE GASKET KIT INCLUDING THE LOWER SEALS.
PISTONS
ARE
FOR THE STANDARD BORE (
82mm). SPI PISTONS FEATURE THE FOLLOWING:
High-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing.
Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy.
Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures when combined with Teflon/Molybdenum coated skirts.
MOS2 (Teflon/Molybdenum) coated skirts perform at the highest standards, reducing friction and heat for added power and longevity.