
|
Bore size |
99.50mm |
|
Stroke |
79.00mm |
|
|
8.5:1 - 56cc cylinder head 9.1:1 - 50cc cylinder head |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-19.25cm3 |
|
Compression height (CH) |
30.70mm |
|
Pin diameter |
23mm |
|
Features |
4032 material |
|
Fits for |
Subaru WRX STI 2.5 (EJ257) |

|
Bore size |
99.75mm |
|
Stroke |
79.00mm |
|
|
8.5:1 - 56cc cylinder head 9.1:1 - 50cc cylinder head |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-19.25cm3 |
|
Compression height (CH) |
30.70mm |
|
Pin diameter |
23mm |
|
Features |
4032 material |
|
Fits for |
Subaru WRX STI 2.5 (EJ257) |

|
Product detailed specification |
|
|
Bore size |
100mm |
|
Stroke |
79.00mm |
|
Wiseco compression ratio (CR) |
9.0:1 |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-19cm3 |
|
Compression height (CH) |
30.70mm |
|
Pin diameter |
23mm |
|
Fits for |
Subaru WRX STI 2.5 (EJ257) |

|
Product detailed specification |
|
|
Bore size |
99.50mm |
|
Stroke |
79.00mm |
|
Wiseco compression ratio (CR) |
9.0:1 |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-19cm3 |
|
Compression height (CH) |
30.70mm |
|
Pin diameter |
23mm |
|
Fits for |
Subaru WRX STI 2.5 (EJ257) |

|
Product detailed specification |
|
|
Bore size |
99.75mm |
|
Stroke |
79.00mm |
|
Wiseco compression ratio (CR) |
9.0:1 |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-19cm3 |
|
Compression height (CH) |
30.70mm |
|
Pin diameter |
23mm |
|
Fits for |
Subaru WRX STI 2.5 (EJ257) |



|
Product detailed specification |
|
|
Bore size |
92.50mm |
|
Stroke |
79.00mm |
|
JE Pistons compression ratio (CR) |
8.5:1 |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-15.3cc3 |
|
Compression height (CH) |
30.70mm |
|
Pin diameter |
23mm |
|
Features |
Accepts Turbo and Nitrous; FSR series Skirt |
|
Fits for |
Subaru Impreza WRX STI - 2.0 16V (EJ20, EJ205, EJ207) |

|
Product detailed specification |
|
|
Bore size |
93.00mm |
|
Stroke |
79.00mm |
|
JE Pistons compression ratio (CR) |
8.5:1 |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-16cc3 |
|
Compression height (CH) |
30.70mm |
|
Pin diameter |
23mm |
|
Features |
Accepts Turbo and Nitrous; FSR series Skirt |
|
Fits for |
Subaru Impreza WRX STI - 2.0 16V (EJ20, EJ205, EJ207) |


|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 41.999 / 41.981 | ||||||
| Housing | 44.999 / 45.019 | ||||||
| Max Wall | 1.491 | ||||||
| Max Length | 18.230 |

| Position | |||||||
|---|---|---|---|---|---|---|---|
| Pairs & PN |
|
||||||
| Quantity | 5 | ||||||
| Crankshaft | 44.994 / 44.981 | ||||||
| Housing | 48.999 / 49.017 | ||||||
| Max Wall | 1.999 | ||||||
| Max Length | 18.230 |