Description
If you’re rebuilding a Honda CR80R engine or pushing your current one to its limits, the Wiseco 643M04900 Pro-Lite Piston Kit delivers the precision fit and lightweight construction needed for reliable high-RPM performance. This complete kit eliminates guesswork during engine assembly, pairing CNC-machined pistons with high-silicon aluminum to reduce rotating mass without sacrificing durability. Whether you’re competing on the track or tackling technical terrain, you get the same piston design trusted by professional racing teams.
- CNC-machined precision fit
- High-silicon aluminum alloy
- 49.00 mm bore diameter
- Complete installation kit included
- Piston, rings, wrist pin
- Circlips pre-packaged
- Lightweight construction
- Increased compression ratio
- Designed for Honda CR80R
- Years 1986–2002 compatible
- MPN: 643M04900
- Bolt-on assembly
- Professional-grade durability
- Extreme condition rated









