Main Bearings - 1/2 Groove Style - 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 )

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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

Not Yet Reviewed

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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 )

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King XP-Series Main Bearings MB5511XP STDX

Main Bearings, XP-Series, 1/2 Groove, Standard Size, Tri Metal, Pontiac V8, Set of 5

Part Number: KGB-MB5511XPSTDX

5.0 out of 5 stars ( 1 )

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Sealed Power Main Bearing Sets 5037M20

Main Bearings, 0.020 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, AMC, 290, 304, 343, 360, Set of 5

Part Number: SLP-5037M20

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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

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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

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King XP-Series Coated Main Bearings MB5013XPC 010

Main Bearing Set, CHEVROLET LS series L20, LS1/2/4/6 - pMaxKote

Part Number: KGB-MB5013XPC010

5.0 out of 5 stars ( 1 )

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Speed-Pro Competition Series Main Bearings 7211M

Main Bearings, Standard Size, Tri Metal, 1/2 Groove, Jeep, L6, 4.0L, Set

Part Number: SLP-7211M

1.0 out of 5 stars ( 1 )

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King HP-Series Main Bearings MB5650HP 010

Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650HP010

5.0 out of 5 stars ( 2 )

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Clevite P-Series Main Bearings MS-2220P-.25MM

Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Mopar, 5.7, 6.1L, Set

Part Number: CLE-MS2220P25MM

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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

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Clevite P-Series Main Bearings MS-1432P-20

Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Ford, 351M, 351W, 400, Set of 5

Part Number: CLE-MS1432P20

4.0 out of 5 stars ( 4 )

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King XP-Series Main Bearings MB5116XP 001

Main Bearings, HP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 426, 440, Set 5

Part Number: KGB-MB5116XP001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Sealed Power Main Bearing Sets 4289M10

Main Bearing Set;

Part Number: SLP-4289M10

5.0 out of 5 stars ( 2 )

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King HP-Series Main Bearings MB 556HPN 020

Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.020 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN020

Not Yet Reviewed

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ACL Performance Race Series Main Bearing Sets 5M829H-01

Main Bearings, Race Series, Tri-Metal, 1/2 Groove, .001 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: PEB-5M829H-01

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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

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King HP-Series Main Bearings MB 556HPN 010X

Main Bearings, HP-Series, Narrowed, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.010 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

Part Number: KGB-MB556HPN010X

Not Yet Reviewed

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King HP-Series Main Bearings MB5280HP STDX

Main Bearings, HP-Series, Silicon Aluminum, Standard Size, Ford, 4.6, 5.4L, Set of 5

Part Number: KGB-MB5280HPSTDX

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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

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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

Not Yet Reviewed

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Sealed Power Main Bearing Sets 4289M

Main Bearing Set;

Part Number: SLP-4289M

5.0 out of 5 stars ( 1 )

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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 )

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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 )

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