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Chevrolet 5.7L LS1 Gen III, 6.0L LS2 Engine Bearings
YOU ARE HERE: ENGINES/VEHICLES > CHEVROLET > 5.7L LS1 GEN III 6.0L LS2 > ENGINE BEARINGS
| ENGINE BEARINGS |
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CON ROD BEARING SET |
MAIN BEARING SET |
| Part# |
Part# |
8B663H
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8B663HX
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5M7297H
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5M7297HX
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| Sizes |
STD, 001, 009, 010, 011, 020 |
STD |
STD, 001, 010, 020 |
STD |
| Oil Clearance |
Standard |
+ 0.001" Extra |
Standard |
+ 0.001" Extra |
| Half Type |
Upper & Lower |
Upper & Lower |
| Material |
Tri-metal Hardened steel backs
|
Tri-Metal |
| Min Std Shaft Size |
2.099in / 53.315mm
|
2.5588in / 64.993mm
|
| Max Std Shaft Size |
2.1in / 53.34mm
|
2.5593in / 65.007mm
|
| Min Std Tunnel Size |
2.2247in / 56.507mm
|
2.7509in / 69.873mm
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| Max Std Tunnel Size |
2.2252in / 56.52mm
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2.7515in / 69.887mm
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| Max Wall at Crown |
0.0619in / 1.572mm
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0.0614in / 1.559mm
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0.0957in / 2.43mm
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0.0952in / 2.417mm
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| Max Overall Length |
0.8366in / 21.25mm
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1.0276in / 26.1mm (7297H/HX - Flange)
0.8051in / 20.45mm (7298H/HX)
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| Notes |
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Diagram
(Top View) |
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7297H & HX - Position 3
7298H & HX - Positions 1, 2, 4, 5
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| CAMSHAFT BEARING SET |
| Part# |
5C1000S *
5C1001S **
|
Material |
Babbitt Lead |
| Sizes |
STD
STD
|
Notes |
* suits 1st design engines 1997-2003 with #1 & #5 cam bore size of 2.3260"-2.3280"
** suits 2nd design engines 2003-on with #1 & #5 cam bore size of 2.3460"-2.3480"
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