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They can actually polish your crankshaft!Believe it or not, Federal Mogul MA-Series main bearings can actually polish the journals on your crankshaft. That's because there's a small percentage of silicon mixed in with the aluminum and tin that make up the bearing-surface alloy. The silicon is there for wear resistance, but its toughness actually smoothes the journals of a crank whose surface hasn't been optimized! This special surface alloy is laid over a high-strength 1010 steel backing and delivers improved seizure and corrosion resistance, as well as better control of wall variance. It also helps to minimize debris embedding, which can score the crank's surface.
Results 1-10 of 63
Main Bearings, 1/2 Groove, Standard Size, Aluminum Alloy, Chevy, Big Block, Set of 5
Part Number: FEM-4400MA
Estimated Ship Date: 11/23/2009
Main Bearings, Standard Size, Aluminum Alloy, Chevy, Small Block, Set of 5
Part Number: FEM-4663MA
Main Bearings, 1/2 Groove, .020 in. Undersize, Aluminum Alloy, Chevy, Big Block, Set of 5
Part Number: FEM-4400MA20
Main Bearings, 3/4 Groove, Standard Size, Aluminum Alloy, Mopar, Small Block LA, Set of 5
Part Number: FEM-4923MA
Main Bearings, 3/4 Groove, Standard Size, Aluminum Alloy, Ford, 4.6L, Set of 5
Part Number: FEM-7292MA
Main Bearings, 3/4 Groove, Standard Size, Aluminum Alloy, Mopar, Small Block LA/Magnum, Set of 5
Part Number: FEM-5095MA
Main Bearings, MA Series, 3/4 Groove, Standard Size, Bi Metal, Chevy, 3.3/3.8/4.3L, V6, Set of 5
Part Number: FEM-5085MA
Main Bearings, 3/4 Groove, .010 in. Undersize, Aluminum Alloy, Mopar, Small Block LA, Set of 5
Part Number: FEM-4923MA10
Main Bearings, Partial Groove, Standard Size, Aluminum Alloy, Chrysler, Big Block RB, Set of 5
Part Number: FEM-5025MA
Main Bearings, .010 in. Undersize, Aluminum Alloy, Chevy, Small Block, Set of 5
Part Number: FEM-4663MA10
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