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1.4L 8v - 840 725
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1.4L 8v - 840 725
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Renault 1.4 8v forged pistons (840-725 engine, R5 Alpine A5): Bore 76.0 mm, COMPression ratio d OEM 10.0:1, Pin 20 mm, CH 37.5 mm. Table + vehicles & ref. OEM.
Specifications of the forged pistons offered by NSB Concept for Renault 1.4 L 8 V — engine 840-725 (R5 Alpine A5, 1397 cm³) :
| Reference | OEM Bore 76,00 mm | OEM CR 10,0 :1 | OEM Pin 20 mm | Height OEM Pin 37,50 mm | Range | Coating | Aluminium | Forging | Dome | Weight | Rings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| K9117DA | 76.0 | 11:1 | 20 | 37.8 | Wossner | NC | NC | Round | 6.6 | NC | 760XDS |
| K9117D060 | 76.6 | 11.2:1 | 20 | 37.8 | Wossner | NC | NC | Round | 6.6 | NC | 766XPZ |
| K9117D100 | 77.0 | 11.3:1 | 20 | 37.8 | Wossner | NC | NC | Round | 6.6 | NC | 770XDS |
| K9117D200 | 78.0 | 11.5:1 | 20 | 37.8 | Wossner | NC | NC | Round | 6.6 | NC | 780XDS |
| K9117D400 | 80.0 | 12.1:1 | 20 | 37.8 | Wossner | NC | NC | Round | 6.6 | NC | 800XDS |
Compatibility (engine codes):
Original vehicles equipped with the engine 840-725 :
| Brand | Model | Engine code | Power | Years |
|---|---|---|---|---|
| Renault | 5 Alpine A5 (R1223) | 840-725 | 93 hp | 1977 – 1981 |
OEM piston references :
Renault 5 Alpine A5 1.4 (engine 840‑725 / 840‑25): 7701460679 — piston Ø76.0 mm (with pin & rings) — to be confirmed by VIN/PR (selection & repair ratings).
* references from parts and reseller catalogs: mandatory checkication by VIN before ordering.
Warning: Before installation, please verify the integrity and conformity of each component of the piston kit as well as the correctness of the assembly in the engine; any warranty is strictly limited to the parts included in the piston kit.
