Main Bearings - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ SBC Main Bearings SUM-172000

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Silicon Aluminum, Chevrolet, Small Block, Set of 5

Part Number: SUM-172000

4.89 out of 5 stars ( 36 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

Summit Racing™ SBC Main Bearings SUM-172010

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: SUM-172010

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

King SI-Series Main Bearings MB 557SI

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

Summit Racing™ SBF 221, 260, 286, 302 Main Bearings SUM-172100

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Silicon Aluminum, Ford, 221-302, Set of 5

Part Number: SUM-172100

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

King SI-Series Main Bearings MB 557SI 010

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI010

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

Summit Racing™ SBC Main Bearings SUM-172020

Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: SUM-172020

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

King SI-Series Main Bearings MB 557SI 020

Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

Summit Racing™ SBF 221, 260, 286, 302 Main Bearings SUM-172110

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Ford, 221-302, Set of 5

Part Number: SUM-172110

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

Summit Racing™ SBC Main Bearings SUM-172030

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

Part Number: SUM-172030

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

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

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

King SI-Series Main Bearings MB 557SI 001

Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI001

5.0 out of 5 stars ( 2 )

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ACL Performance Race Series Main Bearing Sets 5M909H-01

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Summit Racing™ SBF 221, 260, 286, 302 Main Bearings SUM-172120

Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Ford, 221-302, Set of 5

Part Number: SUM-172120

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

King SI-Series Main Bearings MB 557SI 040

Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI040

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Estimated Ship Date: Monday 4/28/2025

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King SI-Series Main Bearings MB 557SISTDX

Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SISTDX

5.0 out of 5 stars ( 1 )

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ACL Direct Replacement Main Bearing Sets 5M7296A-STD

Main Bearings, Aluglide, A-Series, 1/2 Groove, Bi-Metal Design, Aluminum/Tin/Silicon, Stock Size Crankshaft, Ford, 4.6L, 5.4L, Set of 5

Part Number: PEB-5M7296A-STD

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Estimated Ship Date: Monday 4/28/2025

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King AM-Series Main Bearings MB5568AM

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

Part Number: KGB-MB5568AM

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

Crown Automotive Main Bearings J8133682

Crown Automotive Main Bearings J8133682

Main Bearings, 1/2 Groove, .002 in. Crankshaft Undersize, Bi Metal, Jeep, 2.5, 3.8, 4.0, 4.2L, Pair

Part Number: CWA-J8133682

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

King SI-Series Main Bearings MB 445SI 010

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI010

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

King SI-Series Main Bearings MB 529SI 040

Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5

Part Number: KGB-MB529SI040

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Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

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

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025

ACL Direct Replacement Main Bearing Sets 5M1644A-STD

Main Bearings, Aluglide, A-Series, 1/2 Groove, Bi-Metal Design, Aluminum/Tin/Silicon, Stock Size Crankshaft, Volkswagen, 1.8L, 2.0L, Set of 5

Part Number: PEB-5M1644A-STD

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

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King SI-Series Main Bearings MB5840SI0.5

Crankshaft Main Bearing Set,CHRYSLER / DODGE GEN 3 HEMI 5.7,6.1, 6.4

Part Number: KGB-MB5840SI05

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Estimated Ship Date: Monday 4/28/2025

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King SI-Series Main Bearings MB 445SI

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI

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Clevite P-Series Main Bearings MB-1276P

Main Bearing, P- Series, 1/2 Groove, Detroit Diesel 71 series, Set

Part Number: CLE-MB1276P

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Estimated Ship Date: Monday 4/28/2025

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ACL Direct Replacement Main Bearing Sets 5M1644A-.25

Main Bearings, Aluglide, A-Series, 1/2 Groove, Bi-Metal, Aluminum/Tin/Silicon, 0.01 in./0.25mm Undersize Crankshaft, Volkswagen, 1.8L, 2.0L, Set of 5

Part Number: PEB-5M1644A-25

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Estimated Ship Date: Monday 4/28/2025

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Estimated Ship Date: Monday 4/28/2025