HKS 21003-AH002 Piston Kit STEP 3 for S07A Engine
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- It achieves lightweight by allowing the wall thinner by adopting the A2618 material with high-temperature strength.
- The lightweight comes from eliminating waste material by billet manufacturing.
- Rigidity has been structurally improved by adopting the bridge structure. As a result, the product achieves a perfect balance between lightweight and rigidity.
- The crown-shaped surface has the same shape as the OEM one.
- It also achieves improved anti-seizure properties and reduced friction by adopting a 2-layer coating.
Specification
- Bore 64.0 mm
- Stroke 68.2 mm
- Compression Ratio (t=0.55) 9.2
- Displacement 658 cc