Wiseco Piston Kit Ski-Doo 550F 2003-2015 SK1376

Factory pistons wear, wear quickly under sustained power demands—particularly in forced-induction or heavily modded sleds. The Wiseco SK1376 kit replaces worn internals with forged-aluminum pistons engineered to handle extreme combustion pressures while resisting thermal distortion. This complete top-end solution delivers the reliability and power consistency your Ski-Doo 550F demands, whether you're chasing track times or tackling backcountry runs.

Wiseco's high-silicone forged construction reduces expansion variance across operating temperatures, meaning tighter tolerances and less piston slap—critical for engines pushed to their limits. Since this kit includes all necessary components, you get a matched system optimized for longevity and repeatability.

• High-silicone forged aluminum
• Includes rings, pins, circlips
• Complete gasket kit included
• Ski-Doo 550F 2003-2015 fitment
• MPN: SK1376
• Wiseco rings only compatible
• Reduced thermal expansion
• Bolt-on installation
• Enhanced durability under load