1948 Main Bearings

Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Flathead V8, Set

Part Number: KGB-MB3351SI

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Estimated Ship Date: Today

Main Bearings, P Series, .010 in. Crankshaft Undersize, 1/2 Groove, Ford, Set

Part Number: CLE-MS109P10

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Estimated Ship Date: May 28, 2026 if ordered today

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Main Bearings, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, AMC, Willys, Set of 3

Part Number: KGB-MB319AM010

5.0 out of 5 stars ( 1 )

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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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Main Bearings, A-Series, Bi-metal Aluminum Alloy, 0.030 in. Crankshaft Crankshaft Undersize, Jeep, Willys, 134, Set

Part Number: OMX-1746504

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, 0.030 in. Over Size, Bi-metal, Silicon Aluminum, Ford, Flathead V8, Set

Part Number: KGB-MB3351SI030

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Main Bearings, P Series, .020 in. Crankshaft Undersize, 1/2 Groove, Ford, Set

Part Number: CLE-MS109P20

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Estimated Ship Date: Jun 1, 2026 if ordered today

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BEARING MAIN .010 134

Part Number: OMX-1746502

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, Full Groove, .030 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, AMC, Willys, Set of 3

Part Number: KGB-MB319AM030

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Main Bearing, Full Groove, .010 in. Crankshaft Undersize, Steel Backed, Aluminum Alloy, Chevy, 216, 235, Set of 4

Part Number: KAA-MBS1175-010

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Estimated Ship Date: Today

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Main Bearings, 0.020 in. Crankshaft Undersize, Alecular Silicon, Jeep, 2.2L, Set

Part Number: CWA-A6747

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Main Bearings, Stock Size, Alecular Silicon, Jeep, 2.2L, Set

Part Number: CWA-A6798

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Main Bearings, 0.010 in. Crankshaft Undersize, Alecular Silicon, Jeep, 2.2L, Set

Part Number: CWA-A6746

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Estimated Ship Date: Jul 9, 2026 if ordered today

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MAIN BEARING SET

Part Number: CLE-MS109P

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Estimated Ship Date: Jun 1, 2026 if ordered today

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BEARING MAIN .050 134

Part Number: OMX-1746506

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Estimated Ship Date: Jul 15, 2026 if ordered today

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BEARING MAIN .070 134

Part Number: OMX-1746508

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, Full Groove, .070 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, AMC, Willys, Set of 3

Part Number: KGB-MB319AM070

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Estimated Ship Date: Jul 13, 2026 if ordered today

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

Part Number: KGB-MB319AM060

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, 0.010 in. Over Size, Bi-metal, Silicon Aluminum, Ford, Flathead V8, Set

Part Number: KGB-MB3351SI010

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, Alecular Silicon, Stock Size, Jeep, Willys, 2.2L, Set

Part Number: OMX-1746501

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Estimated Ship Date: Jul 9, 2026 if ordered today

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BEARING MAIN .060 134

Part Number: OMX-1746507

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Main Bearings, 0.030 in. Crankshaft Undersize, Alecular Silicon, Jeep, 2.2L, Set

Part Number: CWA-A6748

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Estimated Ship Date: Jul 7, 2026 if ordered today

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Main Bearing Set;

Part Number: SLP-646M30

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Estimated Ship Date: May 4, 2026 if ordered today

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Main Bearings, Full Groove, Standard Size, Bi Metal, Alecular Alloy, AMC, Willys, Set of 3

Part Number: KGB-MB319AM

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Main Bearings, SI-Series, 1/2 Groove, 0.020 in. Over Size, Bi-metal, Silicon Aluminum, Ford, Flathead V8, Set

Part Number: KGB-MB3351SI020

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