Main Bearings

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

Part Number: KGB-MB5523AM010

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Estimated Ship Date: Today

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

Part Number: KGB-MB589AM

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Estimated Ship Date: Today

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

Part Number: KGB-MB762AM010

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Estimated Ship Date: May 19, 2026 if ordered today

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

Part Number: EW1-MS1038HX

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Estimated Ship Date: Today

Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: EW1-MS829HX

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Estimated Ship Date: Today

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

Part Number: EW1-MS909H

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Estimated Ship Date: Today

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403, Set of 5

Part Number: KGB-MB5514AM

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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

Part Number: EW1-MS1038H

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Estimated Ship Date: Today

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

Part Number: KGB-MB5514AM010

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Estimated Ship Date: May 19, 2026 if ordered today

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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

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Estimated Ship Date: May 19, 2026 if ordered today

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Main Bearings, Full Groove, .040 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, AMC, Willys, Set of 3

Part Number: KGB-MB319AM040

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Estimated Ship Date: May 19, 2026 if ordered today

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Main Bearings, AM-Series, Full Groove, .030 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM030

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Estimated Ship Date: May 19, 2026 if ordered today

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

Part Number: KGB-MB5514AM020

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Estimated Ship Date: May 19, 2026 if ordered today

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

Part Number: KGB-MB7732AM075

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Estimated Ship Date: May 19, 2026 if ordered today

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

Part Number: EW1-MS909HX

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Estimated Ship Date: Today

Main Bearings, AM-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 170, 198, 225, Set of 4

Part Number: KGB-MB407AM020

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Estimated Ship Date: May 19, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, Standard Size, Hyundai, Mitsubishi, Set of 5

Part Number: KGB-MB5315AM

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Estimated Ship Date: May 19, 2026 if ordered today

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

Part Number: KGB-MB554AM050

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Estimated Ship Date: May 19, 2026 if ordered today

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

Part Number: EW1-MS590H

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Estimated Ship Date: Today

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

Part Number: EW1-MS829H

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Stock Size, Alecular Silicon, Jeep, 2.4L, Set

Part Number: CWA-5012582K

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Estimated Ship Date: May 11, 2026 if ordered today

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Main Bearings, 0.25mm Crankshaft Undersize, Alecular Silicon, Jeep, 2.4L, Set

Part Number: CWA-5012584K

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Estimated Ship Date: May 11, 2026 if ordered today

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Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Triumph, 2.0, 2.5L, Set of 4

Part Number: KGB-MB432AM020

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Estimated Ship Date: May 18, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, .010 in. Undersize, Chrysler, Dodge, Plymouth, 170, 198, 225, Set of 4

Part Number: KGB-MB407AM010

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Estimated Ship Date: May 18, 2026 if ordered today

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