HKS 21004-AT007 Piston and Conrod Kit BCD STEP3 (dia. 87.5) for TOYOTA GR Yaris (XP210) 2020-

A strengthened piston kit for G16E-GTS as a countermeasure against the weak point of it. With the same weight balance ratio of 50% as the stock unit with the set of reinforced connecting rods, the equivalent vibration damping level as the stock is achieved.

Piston Kit

• High-temperature resistance A2618 material is used for thinner wall thickness and lighter weight.
• Machining process reduces waste parts and achieves the lightest weight possible.
• Bridge shaped structure increases rigidity of the unit and allows weight reduction.
• The shape of the crown surface is kept as close as possible to that of the stock.
• Nickel plating above the top ring slot improves knock and wear resistance.
• Leads the cooling oil from the 3 oil jets to the proper location for effective cooling.
• 2-layer coating improves anti-seizing and reduces friction.
• Shortening the piston pin reduces the weight of the piston pin boss section.
• Dedicated pins with appropriate wall thickness are set to reduce weight.

Conrod Kit

• Features machined nickel-chrome alloy I-beam connecting rods.
• 25% stronger than the stock product.
• Compatible with D24mm piston pin.
• Surface is finished with a WPC treatment to improve durability.