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Speed-Pro Competition Series Main Bearings 129M10

Main Bearings, Competition Series, 0.010 Crankshaft Undersize, Tri Metal, 3/4 Groove, Ford, 260, 289, 302, Set of 5

Part Number: SLP-129M10

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-2220H25

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, 2003-08 5.7 and 2005-10 6.1 G3 Hemi .010 undersize (thicker) 1/2 Upper groove, set

Part Number: SUM-2220H25

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-909H001

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 350 Main .001 undersize (thicker), Half-Upper groove, set

Part Number: SUM-909H001

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 MB 788XP 010

Main Bearings, XP-Series, Tri-metal, 0.010 in. Crankshaft Undersize, Jaguar, 3.8L, Set of 7

Part Number: KGB-MB788XP010

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Sealed Power MA Series Main Bearings 4663MA20

Main Bearing Set;

Part Number: SLP-4663MA20

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 152M1

Main Bearings, Competition, 0.001 in. Crankshaft Undersize, Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5

Part Number: SLP-152M1

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 319AM 040

Main Bearings, Full Groove, .040 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, AMC, Willys, Set of 3

Part Number: KGB-MB319AM040

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

King XP-Series Main Bearings MB 556XP 020

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.020 in. Undersize, Chevy, Big Block, Set of 5

Part Number: KGB-MB556XP020

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

King HP-Series Main Bearings MB 557HP 011

Main Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP011

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Summit Racing™ Race Series Main Bearing Sets SUM-429HXCS

Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, SBC 327 Main .001 Extra Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-429HXCS

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-2226H

Main Bearing Set-6G72 Engine

Part Number: CLE-MS2226H

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Clevite V-Series Main Bearings MB-3248VCTU(24)

Main Bearings, V-Series, Standard Size, Lead indium Metal, Chrysler , 426 Hemi, Upper only, Set of 24

Part Number: CLE-MB3248VCTU24

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-1039HC-010

Main Bearing, BB FORD 429 460 .010 Undersize - Coated, Set

Part Number: SUM-1039HC-010

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-1010HC10

Summit Precision High-Tensile Tri-metal Alloy COATED Racing Main Bearings, Ford Cleveland .010 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-1010HC10

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-7298H02

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .002 undersize (thicker), Racing 270 Deg. Oil groove, set

Part Number: SUM-7298H02

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

Main Bearings, HP-Series, Copper/Lead/Nickel, Standard Size, Ford, 351W, 351M/400, Set of 5

Part Number: KGB-MB5505XP

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 MB5278AM

Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

King XP-Series Main Bearings MB 529XP STDX

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, Lincoln, Mercury, Set of 5

Part Number: KGB-MB529XPSTDX

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ACL Direct Replacement Main Bearing Sets 5M590P-01

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Clevite H-Series Main Bearings MS-2321H-1

Main Bearings, H Series, 1/2 Groove, 0.001 in. Crankshaft Undersize, Tri Metal, Dart LS Next, Set of 5

Part Number: CLE-MS2321H1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Summit Racing™ Race Series Main Bearing Sets SUM-1010HXS

Summit Precision High-Tensile Tri-metal Alloy Racing Main Bearings, Ford Cleveland .001 Extra Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-1010HXS

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-7296H025

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Ford Mod 2V, .001 undersize (thicker), set

Part Number: SUM-7296H025

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 MB5013XPC 020

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

Part Number: KGB-MB5013XPC020

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 785AM 010

Main Bearings, AM-Series, .010 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 200, L6, Set of 7

Part Number: KGB-MB785AM010

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

King AM-Series Main Bearings MB5514AM 020

Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM020

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

King HP-Series Main Bearings MB5511HP 010

Main Bearings, King HP-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Pontiac, Sold as a Set

Part Number: KGB-MB5511HP010

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today