OE replacment Bi-metal For GMC 2.8L, 3.4L V6 173CI, 207CI - MB4080SI

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King Bearings' bi-metal SI material blends Aluminum with 2.5-3% Silicon, providing strength. Ideal for medium-load engines, particularly engines using nodular cast iron crankshafts. It excels as a Lead-free OE replacement Bearing.
Commonly use for medium-load engines particularly ones using nodular cast iron crankshafts
Crankshaft Dim. Housing Dim. Length Thickness
67.26 / 67.24 mm
2.6482 / 2.6473 inch
72.17 / 72.15 mm
2.8415 / 2.8406 inch
Positions 1,4:
24.8 mm
0.976 inch

Position 2:
18.8 mm
0.738 inch

Position 3:
24.0 mm
0.946 inch
2.433 mm
0.0958 inch
Main Bearing Set For GMC 2.8L, 3.4L V6 173CI, 207CI - MB4080SI
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Performance features

Material features

Tech Features

Aluminum Based
aluminum base
Bi Metal Aluminum material

Lead free Aluminum based material used for low to heavy load engines

Lead free
Lead Free
Environmentally safe composite

A lead-free bearing material prioritizes environmental sustainability and safety, utilizing alternative compounds to achieve optimal performance in diverse applications.

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