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

Clevite P-Series Main Bearings MS-429P-20

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: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Speed-Pro Competition Series Main Bearings 141M

Main Bearings, Competition Series, Standard Size, Tri Metal, 3/4 Groove, Chevy, 7.4L, Set of 5

Part Number: SLP-141M

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 XP-Series Coated Main Bearings MB5283XPC STDX

Main Bearings, King XP-Series Coated Main Bearings, Stock Size, 3/4 Groove, Tri-Metal, Ford, Sold as a Set

Part Number: KGB-B5283XPCSTDX

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Sealed Power Main Bearing Sets 4094M20

Main Bearings, 0.020 in. Crankshaft Undersize, Tri Metal, Full Groove, Chrysler, Dodge, B Big Block, 383, 400, Set of 5

Part Number: SLP-4094M20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Clevite H-Series Main Bearings MS-829H-9

MAIN BEARING SET

Part Number: CLE-MS829H9

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Clevite H-Series Main Bearings MS-909H-9

MAIN BEARING SET

Part Number: CLE-MS909H9

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King AM-Series Main Bearings MB 559AM 010

Main Bearings, AM-Series, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 330-428, FE, FT, Set 5

Part Number: KGB-MB559AM010

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

Sealed Power MA Series Main Bearings 4400MA30

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 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King HP-Series Main Bearings MB5280HP

Main Bearings, HP-Series, Grooved, Bi Metal, Stock Size, Ford, 4.6L Modular, 5.4L Modular, Set of 5

Part Number: KGB-MB5280HP

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King HP-Series Main Bearings MB 557HPSTDX

Main Bearings, HP-Series, 1/2 Groove, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set

Part Number: KGB-MB557HPSTDX

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Speed-Pro Competition Series Main Bearings 120M

Main Bearings, Competition Series, Standard Size, Super Duty Alloy, H-14, 3/4 Groove, Mopar, 360, Set of 5

Part Number: SLP-120M

3.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Clevite V-Series Main Bearings MS-829VX

Main Bearings, V Series, 1/2 Groove, .001 in. Thinner Size, Lead Indium, Chevy, Big Block, Set of 5

Part Number: CLE-MS829VX

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 4040M10

Main Bearings, 0.010 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Upper, Pontiac, 326, 350, 389, 400, Set of 5

Part Number: SLP-4040M10

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

Clevite H-Series Main Bearings MS-590H-1

Main Bearings, H Series, 1/2 Groove, .001 in. Crankshaft Undersize, Tri Metal, Ford, Small Block, Set of 5

Part Number: CLE-MS590H1

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 XP-Series Coated Main Bearings MB 558XPC 001

Main Bearings, XP-Series Coated, Tri-Metal Copper-Lead Nickel, 0.001 in. Crankshaft Undersize, 1/2 Upper Groove, Mopar, Small Block LA, Set of 5

Part Number: KGB-MB558XPC001

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King XP-Series Main Bearings MB5505XP STDX

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, Lincoln, Mercury, 351W, 351M, 400

Part Number: KGB-MB5505XPSTDX

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 129M

Main Bearings, Competition Series, Standard Size, Tri Metal, 3/4 Groove, Ford, 260, 289, 302, Set of 5

Part Number: SLP-129M

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 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

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Sealed Power MA Series Main Bearings 4926MA

Main Bearings, Standard Size, Bi Metal, 3/4 Groove, Chevy, 400, Set of 5

Part Number: SLP-4926MA

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Clevite H-Series Main Bearings MS-2259H-.25MM

Main Bearings, H Series, 0.25mm Crankshaft Undersize, Ford, 4.6L, Set of 5

Part Number: CLE-MS2259H25MM

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

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

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 558XPC 020

Main Bearing, Performance Series, .020 in. Crankshaft Undersize, Tri-metal copper-lead nickel, Dodge, Plymouth, Small Block, Each

Part Number: KGB-MB558XPC020

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 4294M30

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: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Sealed Power MA Series Main Bearings 7298MA10

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Chevy, GMC, Pontiac, 4.8L, 5.3L, 5.7L, 6.0L, Set of 5

Part Number: SLP-7298MA10

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Clevite P-Series Main Bearings MS-667P

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

Part Number: CLE-MS667P

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025