Feature

●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)


Description

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). FITS: 1985-1999 POLARIS TRAIL BOSS 250 2-Stroke ATV