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King AM-Series Main Bearings

4.24 out of 5 stars 33 Customer Reviews

King AM-Series main bearings are recommended for street or marine applications. These crankshaft bearings have superior embeddability, which provides greater macro-particle to reduce scratching of the crank journals and tearing or weakening of the Babbitt overlays. King AM-Series main bearings feature tolerance control to within plus or minus .0001—and they're lead-free, making them environmentally-friendly and user-safe. Hundreds of performance sets are available; order the replacement bearings designed to fit your vehicle.

Showing In Stock Items. Show All 26 Items.

Results 1 - 18 of 18

King AM-Series Main Bearings MB5568AM

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Alecular Alloy, for use on Honda®/Acura®, Set of 5

Part Number: KGB-MB5568AM

Not Yet Reviewed

Estimated Ship Date: Today

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King AM-Series Main Bearings MB5568AM0.25

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM025

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Estimated Ship Date: Today

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King AM-Series Main Bearings for 1993-1997 PROBE, MX-6, 1993-2002 626 - MB5171AM

Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Mazda, 1.8, 2.0L, Set of 5

Part Number: KGB-MB5171AM

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King AM-Series Main Bearings MB5568AM0.75

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM075

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings MB 480AM 030

Main Bearings, AM-Series, 1/2 Groove, .030 in. Undersize, Bi Metal, Buick, 3.3, 3.8L, Set of 4

Part Number: KGB-MB480AM030

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings MB5382AM0.75

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Undersize, Subaru, 1.8, 2.2, 2.5L, Set of 5

Part Number: KGB-MB5382AM075

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings for 1989-2000 METRO, 1985-1988 SPRINT - MB 454AM

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Alecular Alloy, Set of 4

Part Number: KGB-MB454AM

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings MB5234AM0.5

Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Subaru, 2.0, 2.2, 2.5L, Set of 5

Part Number: KGB-MB5234AM05

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings MB5373AM

Crankshaft Main Bearings NISSAN QG18DE GA16DE

Part Number: KGB-MB5373AM

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings MB5568AM1.0

Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM10

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings MB5568AM0.5

Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM05

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

King AM-Series Main Bearings MB5554AM0.5

Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Toyota, 2.0, 2.2L, Set of 5

Part Number: KGB-MB5554AM05

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings CR4655AM0.25

Rod Bearings, King AM-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Alecular Silicon, for Hyundai, for Kia, Sold as a Set of 4

Part Number: KGB-CR4655AM025

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings CR4655AM0.5

Rod Bearings, King AM-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Alecular Silicon, for Hyundai, for Kia, Sold as a Set of 4

Part Number: KGB-CR4655AM05

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings MB5373AM0.5

Main Bearings, King AM-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Alecular Silicon, for Nissan, Sold as a Se

Part Number: KGB-MB5373AM05

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King AM-Series Main Bearings for 1989-2000 METRO, 1985-1988 SPRINT - MB 454AM0.25

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Suzuki, 1.0L, Set of 4

Part Number: KGB-MB454AM025

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

King AM-Series Main Bearings MB5373AM0.25

Main Bearings, King AM-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Alecular Silicon, for Nissan, Sold as a Se

Part Number: KGB-MB5373AM025

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

King AM-Series Main Bearings CR4655AM

Rod Bearings, King AM-Series Main Bearings, Stock Size, Alecular Silicon, for Hyundai, for Kia, Sold as a Set of 4

Part Number: KGB-CR4655AM

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

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