Justin's Toyota Service

Piston

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• The piston is made of aluminum alloy.

• The piston head portion uses a taper squish shape to accomplish fuel combustion efficiency.

• The piston skirt is coated with resin to reduce the friction loss.

• The groove of the top ring is coated with alumite to ensure wear resistance.

• By increasing the machining precision of the cylinder bore diameter, the outer diameter of the piston is made into one size.

Taper Squish Shape

Alumite Coating

Front Mark Resin Coating

Taper Squish Shape

Alumite Coating

Front Mark Resin Coating