£896.35
M3 2.5 Sport Evo DTM Forged Piston Kit.
Bore size: Please confirm the required bore size before ordering. The kit reference does not identify an individual piston size.
| Engine Code | S14 / B23 |
|---|---|
| Model years from | 1986 |
| Model years to | 1991 |
| Bore Size | 95.28mm – K9007D028 , 95.34mm – K9007D034 , 95.44mm – K9007D044 , 95.5mm – K9007D080 , 95.8mm – K9007D080 |
| Stroke | 87mm |
| Compression Height | 30.6mm |
| Number of Rings | 2 |
| Piston pin diameter | 22mm |
| Number of cylinders | 4 |
| Valves Per Cylinder | 4 |
| Piston reference | Piston diameter | Compression ratio |
|---|---|---|
| K9007D028 | 95.18mm | 12.8:1 |
| K9007D034 | 65.24mm | 12.81:1 |
| K9007D044 | 95.34mm | 12.83:1 |
| K9007D050 | 81.93mm | 12.85:1 |
| K9007D080 | 95.7mm | 12.92:1 |
Piston diameter and cylinder bore are different measurements. Confirm the correct size and engine specification before ordering.