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Chevrolet 400 Small Block Engine Bearings
YOU ARE HERE: ENGINES/VEHICLES > GM > 400 > ENGINE BEARINGS
| ENGINE BEARINGS |
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CON ROD BEARING SET |
MAIN BEARING SET |
| Part# |
Part# |
1B663H
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1B663HX
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5M1038H
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5M1038HX
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| Sizes |
STD, 01, 09, 10, 11, 20 |
STD |
STD, 01, 10 |
STD |
| Oil Clearance |
Standard |
+ 0.001" Extra |
Standard |
+ 0.001" Extra |
| Half Type |
Upper & Lower |
Upper & Lower |
| Material |
Tri-metal Hardened steel backs
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Tri-Metal |
| Min Std Shaft Size |
2.0990" / 53.315mm
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2.6484" / 67.269mm
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| Max Std Shaft Size |
2.1000" / 53.340mm
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2.6493" / 67.292mm
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| Min Std Tunnel Size |
2.2247" / 56.507mm
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2.8406" / 72.151mm
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| Max Std Tunnel Size |
2.2252" / 56.520mm
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2.8416" / 72.177mm
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| Max Wall at Crown |
0.0619" / 1.572mm
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0.0614" / 1.559mm
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0.0953" / 2.421mm
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0.0948" / 2.408mm
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| Max Overall Length |
0.837" / 21.25mm
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0.805" / 20.44mm (7113H/HX)
1.718" / 43.64mm (7115H/HX - Flange)
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| Notes |
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Diagram
(Top View) |
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7113H & HX - Positions 1, 2, 3, 4

7115H & HX - Position 5

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| CAMSHAFT BEARING SET |
| Part# |
5C3349C
5C3346C *
5C004AS **
5C004BS ***
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Material |
Heavy Duty Aluminum TIn |
| Sizes |
STD |
Notes |
* housing bores constant at 1.999/2.001" (50.775/50.825mm)
** +0.010" OD, housing bore 2.029/2.031" (51.537/51.587mm)
*** +0.020" OD, housing bore 2.039/2.041" (51.791/51.841mm)
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