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Why Do Some Connecting Rod Bearings Have an Upper and a Lower Shell?
Most aftermarket performance-oriented connecting rod bearings are marked “Upper” and Lower” to be used in these respective positions. Stock replacement rod bearings are generally not marked.
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What Are Engine Bearings And Can You Replace Them Yourself?
We may receive a commission on purchases made from links. Your car's major engine components are likely made of various combinations of cast-iron, aluminum-alloys, and steel. Engine bearings are ...