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GM - Chevrolet 4.8L, 5.3L, 5.7L, 6.0L V8 (Gen III & Vortec) Engine Bearings
YOU ARE HERE: ENGINES/VEHICLES > GM > Vortec 4800 Vortec 5300 5.7L V8 GEN III Vortec 6000 > ENGINE BEARINGS
| ENGINE BEARINGS |
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CON ROD BEARING SET |
MAIN BEARING SET |
| Part# |
Part# |
1B663HD
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1B663HXD
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5M7298H
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5M7298HX
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| Sizes |
STD, 01, 10 |
STD |
STD, 01, 10, 20 |
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 |
2.0990" / 53.315mm
|
2.5588" / 64.993mm
|
| Max Std Shaft Size |
2.1000" / 53.340mm
|
2.5593" / 65.007mm
|
| Min Std Tunnel Size |
2.2247" / 56.507mm
|
2.7509" / 69.873mm
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| Max Std Tunnel Size |
2.2252" / 56.520mm
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2.7515" / 69.887mm
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| Max Wall at Crown |
0.0619" / 1.572mm
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0.0614" / 1.559mm
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0.0957" / 2.430mm
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0.0952" / 2.417mm
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| Max Overall Length |
0.837"in / 21.25mm
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1.028" / 26.10mm (7299H/HX - Flange)
0.805" / 20.45mm (7298H/HX)
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| Notes |
Suits conrods with dowel pin locators. |
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Diagram
(Top View) |
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7299H & HX - Position 3
7298H & HX - Positions 1, 2, 4, 5
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| CAMSHAFT BEARING SET |
| Part# |
5C1000S *
5C1001S **
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Material |
Babbitt Lead |
| Sizes |
STD
STD
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Notes |
* 5C1000S suits engines from 1997-2003 with 1st design # 1 & 5 housing size of 2.3260"-2.3280".
** 5C1001S suits engines from 2003 on with 2nd design # 1 & 5 housing size of 2.3460"-2.3480".
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