Bore: Ø67mm Stroke: 47mm Displacement: 166 Compression ratio 12:1 Material: primary aluminum alloy with high silicon content and hardened and tempered, barrel with silicon carbide coating in a galvanic nickel matrix and crossed polishing with two passages of diamonds with extremely tight tolerances. Processing: on high precision numerical control machine tools. Piston cylinder fits in selection of 0.05 mm. Heat exchange surfaces recalculated and increased.

Super compact with three segments. Material: special primary silicon aluminum alloy with low thermal expansion with tin coating on the sliding walls. Machining on numerical control machines. Lightened and strengthened. Increased heat exchange surfaces.