1956 Main Bearings

Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: CLE-MS429P10

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: CLE-MS429P

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: CLE-MS429P20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM010

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: CLE-MS429P30

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Tri-Metal, Standard Size, Chevy, GMC, Pontiac, 235, 261, Set of 4

Part Number: SLP-960M

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Main Bearings, AM-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM020

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Chrysler, 273, 318, 340, Set of 5

Part Number: CLE-MS540P10

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Tri-Metal, .010 Crankshaft Undersize, Chevy, GMC, Pontiac, 235, 261, Set of 4

Part Number: SLP-960M10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 327 Main .001 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-429H001

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Estimated Ship Date: Today

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 327 Main .001 Extra Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-429HXS

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Estimated Ship Date: Today

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 327 Main .010 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-429H010

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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, XP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554XP001

Not Yet Reviewed

Estimated Ship Date: Feb 18, 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: Feb 5, 2026 if ordered today

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Main Bearing Set-.020 OS HOUSING / .040 OS LENGTH FLANGE VW AIR COOLED

Part Number: CLE-MS943A

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Estimated Ship Date: Today

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

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Main Bearings, 0.040 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Dodge, Plymouth, 340, Set of 5

Part Number: SLP-4923MA40

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Estimated Ship Date: Today

BEARING MAIN .070 134

Part Number: OMX-1746508

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Estimated Ship Date: Feb 5, 2026 if ordered today

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BEARING MAIN .050 134

Part Number: OMX-1746506

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Estimated Ship Date: Feb 5, 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: Feb 18, 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: Feb 18, 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: Feb 18, 2026 if ordered today

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