- New NOS Kimpex Yamaha GPX 440 piston, 40 oversize, 68.69mm diameter
- OEM-quality replacement for vintage Yamaha GPX 440 snowmobiles
- Ideal for engine rebuilds, restoration, or performance upgrades
- Durable construction ensures long-lasting reliability and fit
- SKU: 1979 ST-1, pick-1979
Contact us for more NOS Kimpex Yamaha pistons and vintage snowmobile engine parts.