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Bearings Alecular Bearing Material -- KING developed this alternative to the traditional tri-metal bearings construction.  KING bearings have a single deep (.012" - .015") layer of Alecular material, an exclusive alloy of aluminum, tin, copper and other metals, on the steel backing.  This gives us superior embedability.

X = Extra Oil Clearance

.001 .010  .020 are Undersize
(For Cranks that have turned down)

SBCBBCMOPARFORD

SBC Main Bearings

BBC Main Bearings

Mopar Main Bearings

Ford Main Bearings

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