Description
When your 550 Classic’s factory pistons show signs of wear or you’re rebuilding after a failure, a quality replacement kit is non-negotiable. Wiseco’s high-silicone forged pistons are engineered specifically for 2-cycle engines like yours, delivering the strength and thermal stability needed to handle aggressive riding conditions without sacrificing reliability. This complete kit includes everything required for a proper top-end rebuild, eliminating the guesswork and ensuring your engine runs at peak efficiency.
- High-silicone forged construction
- Reduced thermal expansion
- Includes forged pistons
- Piston rings included
- Wrist pins and circlips
- Top-end gasket kit
- Bolt-on installation
- Wiseco rings only
- 2-cycle optimized design
- Fits 2003 Polaris 550 Classic
- MPN: SK1307
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