Description
A worn or damaged piston directly compromises combustion efficiency, power delivery, and engine longevity—especially in high-stress racing and trail applications. The Wiseco 4393M08150 is engineered with high-silicon alloy construction to withstand extreme pressures and temperatures while maintaining precision tolerances that stock pistons can’t match. Whether you’re rebuilding after a failure or upgrading for competitive advantage, this piston delivers the durability and performance you need.
Wiseco pistons are trusted by professional racers and serious enthusiasts because they’re manufactured to tighter specifications than OEM alternatives. This particular unit comes complete with rings and circlips, reducing your parts sourcing headaches and ensuring compatibility across your engine rebuild.
- High-silicon alloy construction
- 4393M08150 MPN
- .50mm oversized
- Includes rings, circlips
- Honda CRF450R compatible
- Trail and racing rated
- Precision-manufactured tolerances
- Extreme pressure proven
- Bolt-in installation
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