£849.43
Cosworth YB 11cc Long Rod Race Spec Forged Piston Kit.
Manufacturer kit reference: K9543
| Engine Code | YBB , YBD , YBG , YBJ , YBP , YBT |
|---|---|
| YOM From | 1985 |
| YOM To | 1996 |
| Bore Size | 91.25mm – K9543D045 , 91.5mm – K9543D070 |
| Stroke | 77mm |
| Compression Height | 33mm |
| OEM Comp Ratio | 08:01 |
| Number of Rings | 3 |
| OEM Rod Length | 128.5mm |
| Con Rod Length C/C | 136mm |
| Clip Part Number | CW24 |
| Pin Size | 24mm |
| Pin Part Number | WP137-SP |
| Cylinders | 4 |
| Valves Per Cylinder | 4 |
| Suits Wossner Con Rod | G0023 |
| Piston reference | Piston diameter | Compression ratio | Capacity |
|---|---|---|---|
| K9543D045 | 91.15mm | 8.91:1 | 2013cc |
| K9543D070 | 91.4mm | 8.95:1 | 2025cc |
Piston diameter and cylinder bore are different measurements. Select the correct size and confirm the engine specification before ordering.
