
| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1956H |
4B1956HX |
|
| Sizes | STD, 025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.7709in / 44.98mm |
|
| Max Std Shaft Size |
1.7717in / 45mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8906in / 48.02mm |
|
| Max Wall at Crown |
0.0592in / 1.504mm |
0.0587in /1.491 mm |
| Max Overall Length |
0.7283in / 18.5mm |
|
| Notes | ||
|
Diagram |
![]() |
|


|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 45.001 / 44.981 | ||||||
| Housing | 48.001 / 48.019 | ||||||
| Max Wall | 1.499 | ||||||
| Max Length | 18.499 |

|
Product detailed specification |
|
|
Bore size |
84.50mm |
|
Stroke |
92.8mm |
|
JE Pistons compression ratio (CR) |
10.5:1 |
|
Dome volume (CC) |
-3.7cm3 |
|
Compression height (CH) |
27.6mm |
|
Pin diameter |
20mm |
|
Features |
Skirt coating; HD pins |
|
Fits for |
Audi R8 - 5.2 V10 |

| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
|
| Part# | ||
| 7M2394H |
7M2394HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-Metal | |
| Min Std Shaft Size |
2.1634in / 54.951mm |
|
| Max Std Shaft Size |
2.1644in / 54.975mm |
|
| Min Std Tunnel Size |
2.3089in / 58.645mm |
|
| Max Std Tunnel Size |
2.3094in / 58.658mm |
|
| Max Wall at Crown |
0.0719in / 1.827mm |
0.0714in / 1.814mm |
| Max Overall Length |
0.7528in / 19.12mm (2394H/HX) |
|
| Notes | Flange in Position 4 | |
|
Diagram |
2394H & HX - Positions 1, 2, 3, 5, 6, 7
2395H & HX - Position 4
|
|

| Sizes | STD, .025, .25, .50 |
| Oil Clearance | Standard |
| Half Type | Upper & Lower |
| Material | Tri-Metal |
| Min. Std Shaft Size | 2.1634in / 54.951mm |
| Max. Std Shaft Size | 2.1644in / 54.975mm |
| Min. Std Tunnel Size | 2.3089in / 58.645mm |
| Max. Std Tunnel Size | 2.3094in / 58.658mm |
| Max Wall at Crown | 0.0719in / 1.827mm |
| Max Overall Length | 0.7528in / 19.12mm (2394H/HX) 1.061in / 26.95mm (2395H/HX - Flange) |
| Weight | 0.41 |
| Notes | Flange in Position 4 |

Uper | Lower | Quantity | Position | Crankshaft | Housing | Max Length | Max Wall |
|---|---|---|---|---|---|---|---|
SM ![]() |
SM ![]() |
4 | 1,2,4,5 | 0.000 / 0.000 | 0.000 / 70.000 | 22.400 | 2.494 |
SM ![]() |
SM ![]() |
1 | 3 | 0.000 / 0.000 | 0.000 / 70.000 | 27.051 | 2.494 |

Upper | Lower | Quantity | Position | Crankshaft | Housing | Max Length | Max Wall |
|---|---|---|---|---|---|---|---|
SV ![]() |
SV ![]() |
8 | 53.99 / 53.97 | 57.61 / 57.60 | 14.8 | 1.796 |