•  The cylinder block is a deep skirt design with many ribs on the outside walls for increased rigidity and weight reduction.

•  An oil control plug is used to control oil flow to the valve mechanism. It is installed in the cylinder block and engages the cylinder head for good sealing performance.

•  The cross-drilled coolant passages are adopted between the cylinder bores.

•  The vibration reducing stiffener (VRS) is fitted on the bottom of the cylinder block to reduce torsional and bending vibrations.

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