Wiseco WK1213 WK Top End Kit - 1.00mm Oversize to 89.00mm electrical-turn-signals-components Designed with an impeller to

Designed with an impeller to increase water flow and reduce hydraulic friction and cavitation

T x 1-3/4in

1995-1998 Ski-Doo Formula SL

2019-2022 Yamaha SW10LL Sidewinder LTX LE

2017-2025 Yamaha YZ450FX

Wiseco WK1213 WK Top End Kit - 1.00mm Oversize to 89.00mm electrical-turn-signals-components Designed with an impeller toBore: 89. 00mm Sizing: 1. 00mm Oversize Not for DI Models. 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.