Wiseco WK1212 WK Top End Kit (960cc) - 0.50mm Oversize to 88.50mm Bore suspension-bearings-king-pins 1995-1999 Polaris Trail Boss 250

1995-1999 Polaris Trail Boss 250

and perfect for vehicles with big tires and wide wheels

2013-2017 Yamaha PZ50 Venture MP

1993-1996 Arctic Cat EXT EFI

2005-2006 Arctic Cat Z 570 LX

Wiseco WK1212 WK Top End Kit (960cc) - 0.50mm Oversize to 88.50mm Bore suspension-bearings-king-pins 1995-1999 Polaris Trail Boss 250Bore: 88. 50mm Sizing: 0. 50mm Oversize Most Wiseco 2 cycle pistons are forged from high silicone bar stock. Greater strength and lower expansion at high temperatures. Complete piston kits include High Performance forged pistons, rings, wrist pins, circlips and top end gasket kit for one complete engine. All Wiseco High Performance pistons are priced with rings, wrist pins and circlips. Wiseco ring types are not interchangeable (i. e., CD is not