Product Description
Michigan Motorsports Main Bearings -.010" Undersized
Main Bearings, SI-Series, .010" Undersize, Bi-metal, Silicon Aluminum, Chevy 4.8 5.3 5.7 6.0 6.2 Gen 3/4 Set of 5
Michigan Motorsports SI-Series main bearings are recommended for stock or performance engines using factory crankshafts. The bearings have an improved crankshaft finish for reducing microscopic ferrite peaks on improperly ground or polished nodular cast iron crankshafts. SI-Series main bearings feature improved oil clearance to reduce wear and increase engine life, which in turn reduces operating noise, vibration, and excess oil flow.
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Main bearings
Good looking and nice quality. Perfect fit