ACL

5M429P-STD

ACL 5M429P-STD Main Bearing Set

Rod & Main Bearings

1955-1967 > Chevrolet > All Models > Chevrolet V8 265-283-302-327ci
** NOTE : PRODUCT IMAGE MAY NOT BE VEHICLE SPECIFIC

ACL's main bearings are made of a softer metal so that you don't wear out your crank or engine block. Additionally a thin layer of oil lubricates the connection between the bearings and the crank allowing the crank to "float" and reduce wear. Proper support via main bearings is crucial to prevent oscillations and wear that can damage the crankshaft and other components as the motor moves further out of balance.

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