Main Bearings

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5

Part Number: KGB-MB529SI

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5

Part Number: KGB-MB529SI010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Chrysler, Dodge, Sold as a Set of 5

Part Number: KGB-MB5840SI

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SISTDX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Chrysler, Dodge, Sold as a Set of 5

Part Number: KGB-MB5840SI025

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, 1/2 Groove, .002 in. Crankshaft Undersize, Bi Metal, Jeep, 2.5, 3.8, 4.0, 4.2L, Pair

Part Number: CWA-J8133682

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Estimated Ship Date: Today

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI010

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Estimated Ship Date: Today

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Toyota, 2.2, 2.4L, Set of 5

Part Number: KGB-MB506AM025

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, Toyota, 2.2, 2.4L, Set of 5

Part Number: KGB-MB506AM

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Estimated Ship Date: Today

Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearing,

Part Number: CWA-J8133683

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearing,

Part Number: CWA-J8133255

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Chrysler, Dodge, Sold as a Set of 5

Part Number: KGB-MB5840SI05

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Estimated Ship Date: Today

Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, for Hyundai, Sold as a Set of 5

Part Number: KGB-MB5707SI025

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Estimated Ship Date: Today

Main Bearings, King AM-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, for Hyundai, Sold as a Set of 5

Part Number: KGB-MB5256AM05

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Estimated Ship Date: Today

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Subaru, 2.0, 2.2, 2.5L, Set of 5

Part Number: KGB-MB5234AM075

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft Main Bearings NISSAN QG18DE GA16DE

Part Number: KGB-MB5373AM

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Toyota, 2.2, 2.4L, Set of 5

Part Number: KGB-MB506AM05

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Undersize, Chrysler, Dodge, Jeep, 5.7L, 6.1L, Set of 5

Part Number: KGB-MB5659SI075

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Crankshaft Main Bearings set, Dodge Sprinter Van 2003 - 2005

Part Number: KGB-MB1190XA025

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Crankshaft Main Bearings set, Dodge Sprinter Van 2003 - 2005

Part Number: KGB-MB1190XA05

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, 1/2 Groove, .060 in. Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5512SI060

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Estimated Ship Date: Jul 15, 2026 if ordered today

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

Part Number: KGB-MB5382AM075

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, King AM-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Alecular Silicon, for Nissan, Sold as a Se

Part Number: KGB-MB5373AM075

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Estimated Ship Date: Jul 15, 2026 if ordered today

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