Code No. 21004-AH001
*Discontinued.
To improve the performance of the CR-Z using the factory connecting rods, the durability of the factory parts restricts the improvement. Using this Piston Kit and Connecting Rod Set with the HKS GTS7040 Set-up Kit can increase the maximum engine output to 300ps and the maximum torque to 36 kgf・m; the CR-Z can be high performance hybrid sports car.
【PISTON KIT】
【CONNECTING ROD SET】
* In-house test at 336PS/43.78kgf・m confirmed the durability and safety (including the Supercharger drive loss).
HKS | Stock | ||
Bore x Stroke | φ73×89.4mm | φ73×89.4mm | |
Comp. Ratio | ε8.7/8.4 | ε10.4 | |
Gasket thickness | HKS t 0.8/1.2 | t 0.80 | |
Displacement (cc) | 1496 | ← | |
Piston | Bore dia. | φ73 | ← |
Compression height | 26.0mm | ← | |
Concave portion capacity | 17.5cc | 8.7cc | |
Material | φ80-L60 AL | Casting | |
Ref. weight | 178.5g | 198.9g | |
Pin | Size | φ18 | φ18 |
Ring | Top size | φ73×1.0×2.3 | ← |
2nd size | φ73×1.0×2.3 | ← | |
Oil size | φ73×2.0×1.9 | ← | |
Connecting rods | Material | SCM440H | - |
Ref. weight | 380g | 314.5g | |
Bolt | M8×1.0 | M6×1.0 | |
Ref. capable torque | 43.8kgf-m | 30.47kgf-m |
Power | Torque | |
GTS7040 80φ | 300.5ps/6,100rpm | 35.9kg-m/5,800rpm |
GTS7040 85φ | 285.5ps/6,300rpm | 32.8kg-m/6,100rpm |
GTS7040 90φ | 253.1ps/6,300rpm | 29.5kg-m/5,900rpm |
Normal | 143.4ps/6,100rpm | 19.8kg-m/2,700rpm |
* For safety precautions and product warranty liabilities, the impeller's maximum RPM should not exceed 110,000 rpm. HKS will not be responsible for any damage caused by the use of this product beyond the impeller's maximum RPM limit.
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