

| Sizes | STD, .025, .25, .50 |
| Oil Clearance | Standard |
| Half Type | Identical Halves |
| Material | Tri-Metal |
| Min. Std Shaft Size | 2.3616in / 59.984mm |
| Max. Std Shaft Size | 2.3622in / 60.000mm |
| Min. Std Tunnel Size | 2.5197in / 64.000mm |
| Max. Std Tunnel Size | 2.5205in / 64.020mm |
| Max Wall at Crown | 0.0789in / 2.005mm |
| Max Overall Length | 0.7480in / 19.00mm (8297H/HX) 0.5953in / 15.12mm (8298H/HX) 0.8642in / 21.95mm (8299H/HX - Flange) |
| Weight | 0.31 |
| Notes | Thrust in #3 pos. |

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MAIN BEARING SET |
|
| Part# | ||
| 5M8309H |
5M8309HX |
|
| Sizes | STD, .025, .25, 0.5 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material | Tri-Metal | |
| Min Std Shaft Size |
2.3616in / 59.984mm |
|
| Max Std Shaft Size |
2.3622in / 60mm |
|
| Min Std Tunnel Size |
2.5197in / 64mm |
|
| Max Std Tunnel Size |
2.5205in / 64.02mm |
|
| Max Wall at Crown |
0.0789in / 2.005mm |
0.0784in / 1.992mm |
| Max Overall Length |
0.748in / 19mm (8297H/HX) 0.5953in / 15.12mm (8298H/HX) 0.9035in / 22.95mm (8309H/HX - Flange) |
|
| Notes | Thrust in #5 pos. | |
|
Diagram |
|
|

| Sizes | STD, .025, .25, .50 |
| Oil Clearance | Standard |
| Half Type | Identical Halves |
| Material | Tri-Metal |
| Min. Std Shaft Size | 2.3616in / 59.984mm |
| Max. Std Shaft Size | 2.3622in / 60.000mm |
| Min. Std Tunnel Size | 2.5197in / 64.000mm |
| Max. Std Tunnel Size | 2.5205in / 64.020mm |
| Max Wall at Crown | 0.0789in / 2.005mm |
| Max Overall Length | 0.7480in / 19.00mm (8297H/HX) 0.5953in / 15.12mm (8298H/HX) 0.8642in / 21.95mm (8299H/HX - Flange) |
| Weight | 0.31 |
| Notes | Thrust in #3 pos. |

|
|
|
|||||||||||||||||||
| Quantity | 1 | 2 | 2 | ||||||||||||||||||
| Crankshaft | 60.000 / 59.985 | 60.000 / 59.985 | 60.000 / 59.985 | ||||||||||||||||||
| Housing | 64.000 / 64.021 | 64.000 / 64.021 | 64.000 / 64.021 | ||||||||||||||||||
| Max Wall | 2.004 | 2.004 | 2.004 | ||||||||||||||||||
| Max Length | 22.962 | 18.999 | 15.113 |

Kit includes:
1. Genuine Subaru 79.00mm stroke crankshaft
2. FCP Engineering H-beam connecting rod kit
3. JE Pistons kit (Bore size 92.50mm or 93.00mm CR 8.5:1)
4. King Racing connecting rod bearing set
5. King Racing main bearing set

|
Product detailed specification |
|
|
Bore size |
92.50mm |
|
Stroke |
75.00mm |
|
Mahle compression ratio (CR) |
8.0:1 |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-12cm3 |
|
Compression height (CH) |
32.70mm |
|
Pin diameter |
23mm |
|
Features |
PowerPak Plus 2618 Alloy & Hard Anodized Top Ring Groove For Extreme Duty Applications |
|
Fits for |
Subaru Impreza WRX STI - 2.0 16V (EJ20, EJ205, EJ207) |

|
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) |

|
Product detailed specification |
|
|
Bore size |
93.00mm |
|
Stroke |
75.00mm |
|
Mahle compression ratio (CR) |
8.0:1 |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-12cm3 |
|
Compression height (CH) |
32.70mm |
|
Pin diameter |
23mm |
|
Features |
PowerPak Plus 2618 Alloy & Hard Anodized Top Ring Groove For Extreme Duty Applications |
|
Fits for |
Subaru Impreza WRX STI - 2.0 16V (EJ20, EJ205, EJ207) |

|
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 |
92.50mm |
|
Stroke |
79.00mm |
|
Mahle Pistons compression ratio (CR) |
8.0:1 |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-16cc3 |
|
Compression height (CH) |
30.30mm |
|
Pin diameter |
23mm |
|
Features |
4032 Alloy |
|
Fits for |
Subaru Impreza WRX STI - 2.0 16V (EJ20, EJ205, EJ207) |