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CAST IRON CYLINDER KITS Ø 47 Malossi cast iron thermal units: the maximum balance between performance and component life. Designed and manufactured with the precise objective of obtaining a thermal unit capable of guaranteeing high reliability together with the improvement of internal thermo and fluid dynamics systems. The Malossi technicians from the experience acquired in the preparation of racing engines have brought the thermodynamics of the cast iron thermal units to the highest levels and taken care of the internal fluid dynamics of the thermal unit (see transfer ducts, exhaust and combustion chamber) obtaining a high turbulence in the combustion chamber, which made it possible to significantly reduce specific consumption and drastically reduce polluting emissions at the exhaust. Characteristics - Material: special anti-wear lamellar cast iron - Recalculated heat exchange surfaces - Machining with CNC machine tools - Transfer and exhaust designed for maximum performance - Pistons in special aluminum alloy with high silicon content, lightened and reinforced - Segments in special self-lubricating cast iron - Optimized compression ratio - Combustion chamber with very high turbulence