Main Bearings - Sold as a set of 5. Quantity - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

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 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Race Series Main Bearing Sets SUM-909H009

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 350 Main .001 Extra Clearance for .010 undersize, Half-Upper groove, set

Part Number: SUM-909H009

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King SI-Series Main Bearings MB 510SI

Main Bearings, SI-Series, Silicon Aluminum, Standard Size, Chrysler, Dodge, Plymouth, 360, Set of 5

Part Number: KGB-MB510SI

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Race Series Main Bearing Sets SUM-909H011

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 350 Main .011 undersize (thicker), Half-Upper groove, set

Part Number: SUM-909H011

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

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 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King XP-Series Coated Main Bearings MB 529XPC STDX

Main Bearings, XP-Series, 1/2 Groove, Standard Size, Tri Metal, Ford, Small Block, Set of 5

Part Number: KGB-MB529XPCSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Sealed Power MA Series Main Bearings 5025MA10

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Chrysler, Dodge, Plymouth, 440, Set of 5

Part Number: SLP-5025MA10

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Sealed Power Main Bearing Sets 4663M30

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

Part Number: SLP-4663M30

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

ACL Performance Race Series Main Bearing Sets 5M7298HC-STD

Main Bearings, Race Series, Tri-Metal, CT-1 Coating, 3/4 Groove, Standard Size, Chevrolet, LS, Set of 5

Part Number: PEB-5M7298HC-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Race Series Main Bearing Sets SUM-7298H10

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .010 undersize (thicker), Racing 270 Deg. Oil groove, set

Part Number: SUM-7298H10

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Speed-Pro Competition Series Main Bearings 141M1X

Main Bearings, Competition Series, 0.001 Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 7.4L, Set of 5

Part Number: SLP-141M1X

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Race Series Main Bearing Sets SUM-7299H001

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .001 undersize (thicker), Standard 120 Deg. Oil groove, set

Part Number: SUM-7299H001

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

ACL Performance Race Series Main Bearing Sets 5M1959HX-STD

Main Bearings, Race Series, Tri-Metal, 1/2 Groove, 0.001 in., 0.025mm Extra Clearance, For use on Acura/Honda®, Set of 5

Part Number: PEB-5M1959HX-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King SI-Series Main Bearings MB5116SI 020

Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chyrsler, Big Block, Set of 5

Part Number: KGB-MB5116SI020

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King HP-Series Main Bearings MB5503HP

Main Bearings, King HP-Series Main Bearings, Stock Size, Bi-Metal, Ford, Sold as a Set of 5

Part Number: KGB-MB5503HP

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King HP-Series Main Bearings MB5503XP STDX

Main Bearings, HP-Series, Copper/Lead/Nickel, Standard Size, Ford, 351C, Set of 5

Part Number: KGB-MB5503XPSTDX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King SI-Series Main Bearings MB5281SI

Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon, Aluminum R Block, Ford, 4.6L, Set of 5

Part Number: KGB-MB5281SI

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Race Series Main Bearing Sets SUM-7299HS

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, Standard Clearance, Standard 120 Deg. Oil groove, set

Part Number: SUM-7299HS

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Clevite P-Series Main Bearings MS-1010P

Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Ford, 351C, Set of 5

Part Number: CLE-MS1010P

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Sealed Power MA Series Main Bearings 4906MA20

Main Bearings, Performance, 0.020 in Crankshaft Undersize, Tri Metal, Full Groove, Cadillac, 368, 425, 472, 500, Set of 5

Part Number: SLP-4906MA20

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Sealed Power MA Series Main Bearings 5078MA

Main Bearings, Standard Size, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5

Part Number: SLP-5078MA

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Clevite P-Series Main Bearings MS-2007P

Main Bearings, Direct Replacement, 1/2 Groove, TM-77, Ford, Lincoln, Mercury, 4.6L, Set of 5

Part Number: CLE-MS2007P

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

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 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King SI-Series Main Bearings MB5505SI 010

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

Part Number: KGB-MB5505SI010

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Clevite Coated H-Series Main Bearings for 2011-2017 F-150, MUSTANG - MS-2292H-.026MM

Main Bearings, 0.026mm Undersized, Ford Products V8, 5.0L DOHC, 2011

Part Number: CLE-MS2292H026MM

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025