•  The offset pistons are used to reduce piston slapping noise.

•  The piston body has a cooling channel. Oil jets squirt oil into this cooling channel. The oil absorbs heat from around the rings and reduces piston ring and cylinder wall wear.

•  Steel struts are cast into the boss to curb thermal expansion, thus minimizing the change in piston clearance by temperature and optimizing offset volume.

•  The ring carrier is cast into the piston top ring groove.

•  The fitting of the piston, connecting rod, and piston pin are full-floating.

•  An "F" mark (front mark) is indicated to prevent the piston from being installed in the incorrect direction.

•  The following piston rings are used. Top and second ring: inner bevel ring: oil ring: bevel oil control ring and expander.

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