Description
A high-revving engine demands pistons engineered for sustained performance under extreme conditions. The WSM Piston Assembly delivers OEM-equivalent quality with advanced thermal management and durability features that extend engine life while unlocking additional power. Whether you’re rebuilding after competition or upgrading your Sea-Doo, this assembly gives you the precision fit and enhanced longevity that separates reliable engines from those prone to failure.
- Fits Sea-Doo engines
- +.5 mm oversized bore
- MOS2-coated skirts
- Reduces friction and heat
- Improved E-clip design
- Specially hardened ring grooves
- Meets/exceeds OEM standards
- Includes piston, rings, pin, clips
- Order one per cylinder
- Additional rings sold separately
- Bolt-on installation









