Description
When you’re pushing your Polaris 400L to its limits, stock wrist pins become a liability. Wiseco’s S278 wrist pin delivers the precision fit and thermal stability demanded by high-performance operation, keeping your engine reliable through extended riding seasons. Built with advanced metallurgy and manufacturing tolerances, this component resists wear and deformation where OEM parts fail.
- 18mm diameter
- 62.81mm length
- Polaris 400L fitment
- 1994-1995 model years
- Reduced thermal expansion
- Lightweight construction
- CNC precision manufactured
- Superior material quality
- Extreme condition tested
- Direct bolt-on fit






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