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Main Bearings

Individual Parts

Results 1 - 25 of 50

Main Bearings, AM-Series, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Pontiac, 326, 350, 389, 400, Set of 5

Part Number: KGB-MB5523AM010

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Pontiac, 326, 350, 389, 400, Set of 5

Part Number: KGB-MB5523AM

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, Buick, Land Rover, MG, Rover, V8, Set of 5

Part Number: KGB-MB589AM

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, H Series, 0.001 in. Extra Clearance, Standard Size, Alecular, Chevy, Big Block, Set of 5

Part Number: EW1-MS829HX

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Buick, Land Rover, MG, Rover, V8, Set of 5

Part Number: KGB-MB589AM010

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, H Series, Standard Size, Alecular, Chevy, Small Block, Set of 5

Part Number: EW1-MS909H

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, H Series, 0.001 in. Extra Clearance, Standard Size, Alecular, 400 Small Block Chevy, Set of 5

Part Number: EW1-MS1038HX

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

BEARING MAIN .010 134

Part Number: OMX-1746502

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 23, 2026 if ordered today

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Estimated Ship Date: Jul 23, 2026 if ordered today

Main Bearings, AM-Series, .010 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 200, Set of 7

Part Number: KGB-MB762AM010

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

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Estimated Ship Date: Jul 22, 2026 if ordered today

Main Bearings, AM-Series, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM010

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

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Estimated Ship Date: Jul 20, 2026 if ordered today

Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM020

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, H Series, Standard Size, Alecular, 400 Small Block Chevy, Set of 5

Part Number: EW1-MS1038H

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, AM-Series, 1/2 Groove, .060 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM060

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Nissan, 2.4L, 2.6L, 2.8L, Set of 7

Part Number: KGB-MB7732AM075

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, AM-Series, 1/2 Groove, .050 in. Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM050

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, H Series, Standard Size, Alecular, Ford, Small Block, Set of 5

Part Number: EW1-MS590H

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, H Series, Standard Size, Alecular, Chevy, Big Block, Set of 5

Part Number: EW1-MS829H

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, BMW, 2.8L, 3.2L, Set of 7

Part Number: KGB-MB770AM025

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, Full Groove, .060 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, AMC, Willys, Set of 3

Part Number: KGB-MB319AM060

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, AM-Series, Standard Size, Bi Metal, BMW, 2.8, 3.0L, L6, Set of 7

Part Number: KGB-MB770AM

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Toyota, Set of 7

Part Number: KGB-MB787AM10

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 170, 198, 225, Set of 4

Part Number: KGB-MB407AM040

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Subaru, 1.2L, Set of 4

Part Number: KGB-MB461AM075

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, AM-Series, Full Groove, .050 in. Crankshaft Undersize, Bi Metal, Ford, 144, 170, 200, Set of 4

Part Number: KGB-MB409AM050

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today

Main Bearings, AM-Series, .030 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 200, Set of 7

Part Number: KGB-MB762AM030

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2026 if ordered today

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Estimated Ship Date: Jul 21, 2026 if ordered today