High Quality Replacement Piston Rings STD / Stens 500-109
- Piston Size: Std.
- Cylinder Diameter: 47 mm
- Ethanol: Not compatible with greater than 10% ethanol fuel
Packaged in reusable protective polycarbonate case
Use with: 632-525 Cylinder Assembly
Note: This is an aftermarket part that fits many different brands and models and replaces many different part numbers. Please read the list of OEM replacements and models it fits.