Brand
HKS
Compatibility
Toyota GR Yaris GXPA16
Toyota GR Corolla GZEA14H
OEM Part Number
21004-AT007
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.
Features
■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.
■Connrod 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.
Stock | HKS KIT | |
---|---|---|
Bore | 87.5mm | ← |
Stroke | 89.7mm | ← |
Displacement | 1,618cm3 | ← |
Compression Ration (t=0.69) | 10.5 | 10.4 |
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