Bolt piston (13x9x31.5mm) - Malossi

Bolt piston (13x9x31.5mm) Malossi.

Bolt piston compatible with the following parts:
- Aluminum cylinder set Ø 39 for MBK 50 motorcycles (315477);
- Aluminum cylinder Ø 39 MBK Replica GR1 (316864);
- Inner diameter: 13 mm;
- Thickness: 9 mm;
- Length: 31.5 mm.

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