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: Monday 2/23/2026 if shipped by air

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: Monday 2/23/2026 if shipped by air

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: Monday 2/23/2026 if shipped by air

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

Part Number: KGB-MB445SI010

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearing,

Part Number: CWA-J8133683

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Main Bearing,

Part Number: CWA-J8133255

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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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: Monday 2/23/2026 if shipped by air

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4056SI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: KGB-MB5512SI030

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Main Bearings, 1/2 Groove, .040 in. Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5512SI040

Not Yet Reviewed

Estimated Ship Date: May 19, 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

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Main Bearings, SI-Series, .030 in. Undersize, Bi-metal, Silicon Aluminum, Ford, 240, 250, 300, Set of 7

Part Number: KGB-MB760SI030

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Main Bearings, SI-Series, .060 in. Undersize, Bi-metal, Silicon Aluminum, Ford, 240, 250, 300, Set of 7

Part Number: KGB-MB760SI060

Not Yet Reviewed

Estimated Ship Date: May 19, 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

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 1.00mm. Undersize, Chrysler, Dodge, Jeep, 5.7L, 6.1L, Set of 5

Part Number: KGB-MB5659SI10

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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

Part Number: KGB-MB5512SI020

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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