Description
If you’re running a TRX300 FourTrax that’s seen hard use—whether on the trail or the track—a worn piston compromises compression, throttle response, and overall reliability. The Wiseco 4629M07400 restores your quad’s performance with a high-silicon alloy construction designed to handle both recreational riding and competitive demands. This kit ships complete with rings and circlips, so you get everything needed for a straightforward installation.
- 74mm bore diameter
- 10.25:1 compression ratio
- High-silicon alloy construction
- Includes rings and circlips
- Honda TRX300 FourTrax 1988-2000 specific fit
- Lightweight design
- Trail and racing applications
- MPN: 4629M07400





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