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Main Bearing Set For GM 262, 267, 307, 350 (OD +020 FL O/S 020) - MB5271SI

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MB5271SI
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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
Positions 1,2,3,4:
62.21 / 62.19 mm
2.4493 / 2.4484 inch

Position 5:
62.20 / 62.18 mm
2.4488 / 2.4479 inch		 67.60 / 67.58 mm
2.6615 / 2.6606 inch		 Positions 1,2,3,4:
20.4 mm
0.805 inch

Position 5:
43.7 mm
1.722 inch		 2.680 mm
0.1055 inch
Bearings are designed with .020" oversize diameter, allowing to repair the housing of block by line honing block
Main Bearing Set For GM 262, 267, 307, 350 (OD +020 FL O/S 020) - MB5271SI
Suitable for models
Suitable for engines
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