1985-1999 Polaris Trail Boss 250 Top End Rebuild Kit Includes Piston Gaskets Wrist Pin Bearing Standard Stock Bore 72mm

1985-1999 Polaris Trail Boss 250 Top End Rebuild Kit Includes Piston Gaskets Wrist Pin Bearing Standard Stock Bore 72mm

• Top end rebuild kit includes piston, rings, wrist pin, circlips, top end gasket kit, and wrist pin bearing
• Piston is for the standard bore (72mm)
• Piston features high-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing
• MOS2 (Teflon/Molybdenum) coated skirts perform at the highest standards, reducing friction and heat for added power and longevity
• Fits: 1985-1999 Polaris Trail Boss 250 2-Stroke ATV (with stock 72mm bore)