Main Bearings

Main Bearings, HP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Chevy, 400, Set of 5

Part Number: KGB-MB509HP001

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5

Part Number: KGB-MB517SI020

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Main Bearings, HP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Ford, Lincoln, Mercury, Set of 5

Part Number: KGB-MB529HP001

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Estimated Ship Date: Tomorrow

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Main Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP011

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5

Part Number: KGB-MB529SI030

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Estimated Ship Date: Tomorrow

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

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Estimated Ship Date: Tomorrow

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Ford, Sold as a Set of 4

Part Number: KGB-MB4549SI

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Main Bearings, HP-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 5

Part Number: KGB-MB5280SI025

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Estimated Ship Date: Tomorrow

Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, AMC, Jeep, Set of 5

Part Number: KGB-MB5560SI020

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, 4.6L, Set of 5

Part Number: KGB-MB5353SI

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Main Bearings, HP-Series, Silicon Aluminum, Standard Size, Ford, 4.6L, Set of 5

Part Number: KGB-MB5353HPSTDX

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Estimated Ship Date: Mar 6, 2026 if ordered today

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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: Tomorrow

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

Part Number: KGB-MB5398SI

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, General Motors, Sold as a Set of 4

Part Number: KGB-MB4272SI025

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Estimated Ship Date: Tomorrow

Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, General Motors, Sold as a Set of 4

Part Number: KGB-MB4272SI05

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Estimated Ship Date: Tomorrow

Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, BMW, Sold as a Set of 7

Part Number: KGB-MB7776SI025

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, AMC 4.0L, Set of 7

Part Number: KGB-MB7719SI010

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Main Bearings, King SI-Series Main Bearings, .001 in., .026 mm Crankshaft Undersize, Bi-Metal, General Motors, Sold as a Set of 4

Part Number: KGB-MB4272SI026

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Main Bearings, 3/4 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4080SI

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Main Bearings, SI-Series, Full Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI030

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Estimated Ship Date: Mar 6, 2026 if ordered today

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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: Tomorrow

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

Part Number: KGB-MB5682SI010

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Estimated Ship Date: Tomorrow

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Main Bearings, SI-Series, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chyrsler, Big Block, Set of 5

Part Number: KGB-MB5116SI001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI

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Estimated Ship Date: Tomorrow

Main Bearings, SI-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, GMC, Big Block, Set of 5

Part Number: KGB-MB5212SI010

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Estimated Ship Date: Mar 5, 2026 if ordered today

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