Main Bearings - 0.030 in. Engine Crankshaft Undersize (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Clevite H-Series Main Bearings MS-909H-30

MAIN BEARING SET

Part Number: CLE-MS909H30

Not Yet Reviewed

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Summit Racing™ BBC Main Bearings SUM-172230

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Big Block, Set of 5

Part Number: SUM-172230

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Sealed Power MA Series Main Bearings 4400MA 30

Sealed Power MA Series Main Bearings 4400MA 30

Main Bearings, 0.030 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Chevy, Big block, Set of 5

Part Number: SLP-4400MA30

5.0 out of 5 stars ( 1 )

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Sealed Power MA Series Main Bearings 4924MA 30

Main Bearings, 0.030 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Chrysler, Dodge, Plymouth, Big Block, Set of 5

Part Number: SLP-4924MA30

2.75 out of 5 stars ( 4 )

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Clevite P-Series Main Bearings MS-429P-30

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

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Clevite P-Series Main Bearings MS-496P-30

Main Bearings, P Series, Full Groove, .030 in. Crankshaft Undersize, Tri Metal, Pontiac, V8, Set of 5

Part Number: CLE-MS496P30

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Sealed Power Main Bearing Sets 4294M 30

Main Bearings, 0.030 Tri Metal, Full Groove, 4.3, 5.7 Diesel, 400, 425, 455 Gas, Oldsmobile, Set of 5

Part Number: SLP-4294M30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today if shipped by air

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Sealed Power Main Bearing Sets 5078M 30

Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5

Part Number: SLP-5078M30

1.0 out of 5 stars ( 1 )

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Sealed Power Main Bearing Sets 4261M 30

Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, Full Groove, Ford, Mercury, FE Big Block, Set of 5

Part Number: SLP-4261M30

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King SI-Series Main Bearings MB 557SI 030

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI030

1.0 out of 5 stars ( 1 )

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King SI-Series Main Bearings MB 556SI 030

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Big Block, Set of 5

Part Number: KGB-MB556SI030

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Sealed Power Main Bearing Sets 4663M 30

Main Bearings, .030 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M30

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Sealed Power Main Bearing Sets 4125M 30

Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, Lincoln, Mercury, V8, 221, 260, 289, 302, Set of 5

Part Number: SLP-4125M30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today if shipped by air

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King SI-Series Main Bearings MB5293SI 030

Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI030

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Clevite P-Series Main Bearings MS-1041P-30

Main Bearings, P Series, 1/2 Groove, .030 in. Crankshaft Undersize, Tri Metal, AMC, V8, Set of 5

Part Number: CLE-MS1041P30

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Sealed Power Main Bearing Sets 960M 30

Main Bearings, Tri-Metal, .030 Crankshaft Undersize, Chevy, GMC, Pontiac, 235, 261, Set of 4

Part Number: SLP-960M30

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King SI-Series Main Bearings MB 509SI 030

Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Chevy, 400, Set of 5

Part Number: KGB-MB509SI030

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Clevite P-Series Main Bearings MS-1039P-30

Main Bearings, P Series, 1/2 Groove, .030 in. Crankshaft Undersize, Tri Metal, Ford, 429, 460, Set of 5

Part Number: CLE-MS1039P30

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Sealed Power Main Bearing Sets 994M 30

Main Bearings, Direct Replacement, 0.030 in. Crankshaft Undersize, Tri Metal, Full Groove, Chevy, 283, 327, Set of 5

Part Number: SLP-994M30

4.0 out of 5 stars ( 1 )

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King SI-Series Main Bearings MB 529SI 030

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5

Part Number: KGB-MB529SI030

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Sealed Power Main Bearing Sets 5037M 30

Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, AMC, 290, 304, 343, 360, Set of 5

Part Number: SLP-5037M30

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

ACL Direct Replacement Main Bearing Sets for 1998-2015 CAMARO, 1997-2013 CORVETTE, 2011-2012 W62 - 5M7298A-30

Main Bearings, Aluglide, A-Series, Grooved, Aluminum/Tin/Silicon, 0.03 in./0.75mm Undersize Crankshaft, Chevy, 5.7L, 6.0L, 6.2L, 7.0L, Set of 5

Part Number: PEB-5M7298A-30

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King SI-Series Main Bearings MB5650SI 030

Main Bearing, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650SI030

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Clevite AL-Series Main Bearings MS-590A-30

Ford V8, 221-255-260-289-302, 1962-01

Part Number: CLE-MS590A30

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Clevite P-Series Main Bearings MS-590P-30

Main Bearings, P Series, 1/2 Groove, .030 in. Undersize, Tri Metal, Ford, Small Block, Set of 5

Part Number: CLE-MS590P30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

King SI-Series Main Bearings MB5504SI 030

Main Bearings, SI-Series, Full Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI030

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today