Water Sports WSM Piston Kit Polaris Standard Bore

The WSM Standard Bore Piston Kit for Polaris personal watercraft and powersports engines is a replacement piston and ring kit for rebuilding or refreshing the top end. Each kit is made for standard (stock) bore cylinders. Use it for a piston replacement, a cylinder service, or to restore compression and engine performance.

Key Features:

• Made to match OEM specifications for fit and function
• Standard bore size for cylinders that are within factory specification
• Each kit includes a piston, ring set, wrist pin and circlips
• Cast piston construction with quality and construction that meets or exceeds OEM
• Improved circlip (E-clip) design for secure wrist pin retention
• Built for 2-stroke Polaris engines

WSM is a well-known name in marine and powersports engine parts, and its piston kits are a common choice for engine rebuilds. Measure your cylinders before ordering to confirm that the standard size is the right one. Oversize kits are made for cylinders that have been bored or worn past standard.