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1.3L 8v - 812
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1.3L 8v - 812
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Forged pistons Renault 1.3 8v (812 engine) O74.5 to 75.7, Pin 20 mm, Compression ratio up to 12.9:1. Table + engine/vehicle compatibilities and reference indications OEM.
Specifications of the forged pistons offered by NSB Concept for Renault 1.3 L 8 V engine 812 (R8 Gordini / Alpine A110 / Matra Jand) :
| Reference | OEM Bore 74,50 mm | OEM CR 10,5 :1 | OEM Pin 20 mm | Height OEM Pin 35,00 mm | Range | Coating | Aluminium | Forging | Dome | Weight | Rings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| K9118DA | 74.5 | 12.5:1 | 20 | 35.0 | Wossner | NC | NC | Round | 0.0 | NC | 745XDS |
| K9118D050 | 75.0 | 12.7:1 | 20 | 35.0 | Wossner | NC | NC | Round | 0.0 | NC | 750XDS |
| K1495D120 | 75.7 | 12.5:1 | 20 | 35.0 | Wossner | NC | NC | NC | 13.6 | NC | 760XSY |
| K9420D120 | 75.7 | 12.5:1 | 20 | 35.0 | Wossner | NC | NC | NC | 13.6 | NC | 760XDS |
| K9118D120 | 75.7 | 12.9:1 | 20 | 35.0 | Wossner | NC | NC | Round | 0.0 | NC | 760XDS-DSF |
| K9419D550 | 82.5 | 11.5:1 | 21 | 33.5 | Wossner | NC | NC | Round | 0.0 | NC | 825XSY |
Compatibility (engine codes):
vehicles original equipped de engines type 812 :
| Brand | Model | Engine code | Power | Years |
|---|---|---|---|---|
| Alpine | A110 1300 S (Type 1300 VB) | 812 (1296) | 120 hp | 10/1966 – 01/1968 |
| Alpine | A110 1300 G (Type 1300 VA) | 812-01 | 105 hp | 1968 – 1971 |
| Matra | Jand 6 (Djand 5S / Jand 6) | 812 | 105 hp | 1966 – 1967 |
| Renault | R8 Gordini 1300 (R1135) | 812-00 | 88 hp (DIN) | 1966 – 1970 |
OEM piston references :
Renault R8 Gordini 1300 (R1135) – engine 812-00: references pistons/liners original variables depending on class of selection (A/B/C) and oversizes — to be confirmed via VIN and EPC Renault Classic. As an indication, associated OEM ring sets in Ø74.5 mm: 6083671 (top ring), 6083672 (sealing), 8558479 (scraper).
Alpine A110 1300 G (812-01) & A110 1300 S (812, 1296): OEM piston references also subject to class and model year — check by EPC/chassis number required.
Matra Jand 6 (812): same, OEM pistons to be confirmed by EPC/model year (piston sets + liners available in 74.5 / 75.7 mm).
Note: on the engines 812, the original data are: bore 74.5 mm (1255 cm³) or 75.7 mm (1296 cm³), typical CR 10.5:1, pin Ø20 mm, height pin 35 mm; the exact references of Renault pistons vary depending on the class and the year.
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.
