Engines & Engine Parts at Summit Racing

King SI-Series Main Bearings MB4272SI0.5

Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, General Motors, Sold as a Set of 4

Part Number: KGB-MB4272SI05

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

King SI-Series Main Bearings MB4056SI

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4056SI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

King SI-Series Main Bearings MB4074SI0.25

Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chrysler, 2.7L, Set of 5

Part Number: KGB-MB4074SI025

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

King AM-Series Main Bearings MB5568AM0.25

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM025

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

King SI-Series Main Bearings MB5784SI

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

Part Number: KGB-MB5784SI

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

King SI-Series Main Bearings MB5661SI

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Audi, Volkswagen, Sold as a Set of 5

Part Number: KGB-MB5661SI

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets for 1998-2015 CAMARO, 1997-2013 CORVETTE, 2011-2012 W62 - 5M7298A-30

Main Bearings, Aluglide, A-Series, Grooved, Aluminum/Tin/Silicon, 0.03 in./0.75mm Undersize Crankshaft, Chevy, 5.7L, 6.0L, 6.2L, 7.0L, Set of 5

Part Number: PEB-5M7298A-30

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets for 2015-2023 CHALLENGER, 2006-2010 CHARGER, 2003-2008 RAM 1500 - 5M2220A-.25

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, Aluminum/Tin/Silicon, 0.01 in./0.25mm Undersize Crank, RAM 5.7L, Hemi, Set of 5

Part Number: PEB-5M2220A-25

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets for 2015-2023 CHALLENGER, 2006-2010 CHARGER, 2003-2008 RAM 1500 - 5M2220A-.50

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, Aluminum/Tin/Silicon, 0.02 in./0.50mm Undersize Crank, RAM, 5.7L, Hemi, Set of 5

Part Number: PEB-5M2220A-50

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets for 2015-2023 CHALLENGER, 2006-2010 CHARGER, 2003-2008 RAM 1500 - 5M2220A-STD

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Desgin, Aluminum/Tin/Silicon, Stock Size Crankshaft, RAM, 5.7L, Hemi, Set of 5

Part Number: PEB-5M2220A-STD

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 4M1701A-STD

Main Bearings, Aluglide, A-Series, 1/2 Groove, Bi-Metal Design, Aluminum/Tin/Silicon, Stock Size Crankshaft, Dodge, 3.9L, Set of 4

Part Number: PEB-4M1701A-STD

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 5M1039P-10

Main Bearings, Duraglide, P-Series, 1/2 Groove, Tri-Metal, Copper/Lead Alloy, 0.25mm/0.010 in. Undersize Crankshaft, Ford, 6.1L, 7.0L, 7.5L, Set of 5

Part Number: PEB-5M1039P-10

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

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

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 5M7296A-.50

Main Bearings, Aluglide, A-Series, 1/2 Groove, Bi-Metal Design, Aluminum/Tin/Silicon, 0.02 in./0.50mm Undersize Crankshaft, Ford, 4.6L, 5.4L, Set of 5

Part Number: PEB-5M7296A-50

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 5M590P-20

Main Bearings, Duraglide, P-Series, 1/2 Groove, Tri-Metal, Copper/Lead Alloy, 0.02 in./0.50 mm Undersize Crankshaft, Ford, 4.2L, 4.7L, 5.0L, Set of 5

Part Number: PEB-5M590P-20

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets for 1998-2015 CAMARO, 1997-2013 CORVETTE, 2011-2012 W62 - 5M7298-10

Main Bearings, Grooved, Tri-Metal, Copper/Lead Alloy, 0.01 in./0.25mm Undersize Crankshaft, Buick, Cadillac, Chevy, GMC, Hummer, Set of 5

Part Number: PEB-5M7298-10

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 4M1454A-STD

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, Aluminum/Tin/Silicon, Stock Size Crankshaft, Chevy, 3.3L, 3.4L, 3.8L, 4.3L, Set of 4

Part Number: PEB-4M1454A-STD

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets for 1969-1973 COUNTRY SEDAN - 5M1039A-STD

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, Aluminum/Tin/Silicon, Stock Size Crankshaft, Ford, 7.0L, Set of 5

Part Number: PEB-5M1039A-STD

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets for 1969-1973 COUNTRY SEDAN - 5M1039A-10

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, Aluminum/Tin/Silicon, 0.01 in./0.25mm Undersize Crankshaft, Ford, 7.0L, Set of 5

Part Number: PEB-5M1039A-10

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 4M1419AL-20

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, 0.02 in./0.50mm Undersize Crankshaft, Chrysler, Dodge, Plymouth, 3.7L, Set of 4

Part Number: PEB-4M1419AL-20

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 5M909A-10

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.01 in./0.25mm Undersize Crankshaft, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, Set of 5

Part Number: PEB-5M909A-10

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 5M909A-20

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.02 in./0.50mm Undersize Crankshaft, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, Set of 5

Part Number: PEB-5M909A-20

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 5M1266A-10

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, Aluminum/Tin/Silicon, 0.01 in./0.25mm Undersize Crank, Chrysler, Plymouth, 5.9L, Set of 5

Part Number: PEB-5M1266A-10

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 4M1454A-10

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, 0.01 in./0.25mm Undersize Crankshaft, Chevy, 3.3L, 3.4L, 3.8L, 4.3L, Set of 4

Part Number: PEB-4M1454A-10

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

ACL Direct Replacement Main Bearing Sets 5M829A-20

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.02 in./0.50mm Undersize Crankshaft, Chevy, Excalibur, 6.5L, 6.6L, 7.0L, 7.4L, Set of 5

Part Number: PEB-5M829A-20

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026