Description
A piston assembly is the heart of your Sea-Doo’s combustion chamber—and WSM’s +1 mm 010-809-07PK is engineered to deliver measurable gains in power and durability without compromise. The MOS2-coated skirts actively reduce friction and heat dissipation, translating directly to improved performance and extended engine life. If you’re rebuilding or upgrading your powerhead, this OEM-quality assembly gives you the precision fit and enhanced thermal management that separates reliable engines from ones that fall short.
- +1 mm oversized bore
- MOS2 friction-reducing coating
- Improved E-clip design
- Specially hardened ring grooves
- Includes piston, rings, pin, clips
- One assembly per cylinder
- Meets/exceeds OEM quality
- Additional rings available separately
- MPN: 010-809-07PK






