MHR Aluminum Cylinder Set (diameter 50mm / 3112609) - Aprilia AF1 50 H2O 2T '91-'92 (AM4-5) - Malossi

- Cylinder set for liquid-cooled engine;
- Cylinder made from a special aluminum alloy with a high percentage of silicon and titanium;
- The interior surface coating is made using silicon carbide on a nickel matrix;
- Internal processing of the cylinder: using special machines that allow a finishing grade on the cylinder walls;
- Port and exhaust diagrams designed and manufactured specifically for racing;
- Piston made from a special aluminum alloy with a very high percentage of silicon and titanium;
- Exterior coating with graphite that guarantees a very low friction coefficient;
- Reinforced structure to provide strength;
- Unique ductile iron ring of 1 mm with a rectangular cross-section and hard chrome coating;
- Wear-resistant cast iron segments;
- Cylinder head made from a special aluminum alloy with a very high heat exchange coefficient;
- The geometry of the heat exchange surfaces has been recalculated and enlarged;
- Combustion chamber fully designed to achieve a high compression ratio;
- Processing: numerically controlled machines;
- Includes cylinder head;
- Bore: 50 mm;
- Piston pin diameter: 12 mm;
- Stroke: 39 mm;
- Class: Race.

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