Main Bearing Set For Subaru EJ20/EJ22/EJ25 HOUSING BORE + .002 - MB5739SI

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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
60.00 / 59.98 mm
2.3622 / 2.3616 inch
64.07 / 64.05 mm
2.5225 / 2.5216 inch
Positions 1,3:
19.0 mm
0.748 inch

Positions 2,4:
15.1 mm
0.595 inch

Position 5:
23.0 mm
0.906 inch
2.029 mm
0.0799 inch
Bearings are designed with .002" oversize diameter, allowing to repair the housing of block by line honing block; suits engines with thrust in #5 position
Main Bearing Set For SUBARU EJ20/EJ22/EJ25 HOUSING BORE + .002 - MB5739SI
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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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