£849.43
R5 Alpine 1.4 8v High Comp Forged Piston Kit.
Manufacturer kit reference: K9117
| Engine Code | 840-25 |
|---|---|
| YOM From | 1977 |
| YOM To | 1985 |
| Bore Size | 76.6mm , 76mm , 77mm , 80mm |
| Stroke | 77mm |
| Compression Height | 37.8mm |
| OEM Comp Ratio | 10:01 |
| Number of Rings | 3 |
| OEM Rod Length | 128mm |
| Clip Part Number | CW20 |
| Pin Size | 20mm |
| Pin Part Number | WP052 |
| Cylinders | 4 |
| Valves Per Cylinder | 2 |
| Piston reference | Piston diameter | Compression ratio | Capacity |
|---|---|---|---|
| K9117D100 | 76.93mm | 11.26:1 | 1433cc |
| K9117D060 | 76.53mm | 11.15:1 | 1419cc |
| K9117D400 | 79.93mm | 12.08:1 | 1547cc |
| K9117DA | 75.93mm | 11:1 | 1396cc |
Piston diameter and cylinder bore are different measurements. Select the correct size and confirm the engine specification before ordering.