Wiseco Pistons Top End Bearing

Wiseco Top End Bearings are needle cage wrist pin bearings, also sold as piston pin bearings or small end bearings. They are built for two-stroke and other powersports engines. The bearing sits between the piston pin and the small end of the connecting rod. It lets the piston pin pivot smoothly under high loads and high temperatures.

Key Features:

• Needle cage bearing design that supports smooth piston pin rotation
• Made to original equipment specifications
• Steel construction for durability in demanding engine conditions
• Suited to top end rebuilds, piston replacement and routine engine maintenance on motorcycles, ATVs, snowmobiles and personal watercraft
• Each part number is a precision-sized bearing for a specific piston pin and rod combination

Wiseco is a well-known name in pistons, rings and engine internals. Replacing the wrist pin bearing whenever you refresh the top end helps protect the piston, pin and connecting rod from premature wear. Choose the child item whose part number matches your engine's required bearing size.