£1,471.92
997 & 911 Carrera 4S Forged Piston Kit.
Manufacturer kit reference: K9474
| Engine Code | M97.01 |
|---|---|
| YOM From | 2004 |
| YOM To | 2008 |
| Bore Size | 100mm – K9474D100 , 99.5mm – K9474D050 , 99mm – K9474DA |
| Stroke | 82.8mm |
| Compression Height | 33mm |
| OEM Comp Ratio | 11.8:1 |
| Number of Rings | 3 |
| OEM Rod Length | 145mm |
| Clip Part Number | 6 , C22x1 |
| Pin Size | 22mm |
| Pin Part Number | WP098 |
| Cylinders | 6 |
| Valves Per Cylinder | 4 |
| Piston reference | Piston diameter | Compression ratio | Capacity |
|---|---|---|---|
| K9474D050 | 99.43mm | 11.9:1 | 3862cc |
| K9474D100 | 99.93mm | 12.0:1 | 3901cc |
| K9474DA | 98.93mm | 11.8:1 | 3824cc |
Piston diameter and cylinder bore are different measurements. Select the correct size and confirm the engine specification before ordering.