Holden 5.7L LS1 Gen III, 6.0L Gen IV LS2, L76, L98, 6.2L Gen IV LS3 Engine Bearings

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 ENGINE BEARINGS

CON ROD BEARING SET

MAIN BEARING SET

Part# Part#
8B663H


8B663HX

 
5M7297H

 
5M7297HX

 
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

Max Std Tunnel Size

2.2252in / 56.52mm

2.7515in / 69.887mm

Max Wall at Crown

0.0619in / 1.572mm

0.0614in / 1.559mm

0.0957in / 2.43mm

0.0952in / 2.417mm

Max Overall Length

0.8366in / 21.25mm

1.0276in / 26.1mm    (7297H/HX - Flange)

0.8051in / 20.45mm  (7298H/HX)

Notes

Diagram       
(Top View) 

7297H & HX - Position 3

7298H & HX - Positions 1, 2, 4, 5

 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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