Main Bearings

Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, AMC, Jeep, 290-401, Set of 5

Part Number: KGB-MB5518AM040

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Main Bearings, AM-Series, Standard Size, Bi Metal, Toyota, 2.0, 2.3, 2.6, 2.8L, Set of 7

Part Number: KGB-MB787AM

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Drop Ship
• Special Order

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 17, 2026 if ordered today

• Drop Ship
• Special Order

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

• Drop Ship
• Special Order

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 20, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM025

Not Yet Reviewed

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

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB580AM025

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 20, 2026 if ordered today

• Drop Ship
• Special Order

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, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Lexus, Toyota, 3.0, 3.3L, Set of 4

Part Number: KGB-MB4011AM05

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5259AM025

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, King AM-Series Main Bearings, Stock Size, Alecular Silicon, Datsun, Sold as a Set of 5

Part Number: KGB-MB5595AM

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: EW1-MS1038H

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Alecular Alloy, Set of 4

Part Number: KGB-MB427AM

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5259AM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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 20, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB506AM

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Ford, 2.0L, Set of 5

Part Number: KGB-MB545AM

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Mazda, 1.8, 2.0L, Set of 5

Part Number: KGB-MB5171AM

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM075

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Drop Ship
• Special Order

BEARING MAIN .010 134

Part Number: OMX-1746502

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 20, 2026 if ordered today

• Drop Ship
• Special Order

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: Today

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 20, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Nissan, 1.2, 1.3, 1.4, 1.5L, Set of 5

Part Number: KGB-MB5229AM10

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM030

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Drop Ship
• Special Order