Main Bearings

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

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Main Bearings, SI-Series, 1/2 Groove, 0.50mm Crankshaft Undersize, Bi Metal, Ford, Coyote, Set of 5

Part Number: KGB-MB5734SI05

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mitsubishi, 3.0L, Set of 4

Part Number: KGB-MB459SI025

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Main Bearings, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB431SI

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Main Bearings, King XP-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Tri-Metal, Ford, Sold as a Set

Part Number: KGB-MB5734XP025

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Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI030

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM075

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Ford, 2.0L, Set of 5

Part Number: KGB-MB545AM

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Main Bearings, 0.001 in. Crankshaft Undersize, Tri Metal, Full Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085M1

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Estimated Ship Date: May 4, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.040 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB5184SI040

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Main Bearings, Standard Size, Tri Metal, Full Groove, Toyota, L4, 2.4L, Set of 5

Part Number: SLP-7148M

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Estimated Ship Date: May 4, 2026 if ordered today

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Main Bearing, Mitsubishi 4G63/T, 4G64 -1997+ w/TW Standard Size, Set

Part Number: SUM-1219HS

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Estimated Ship Date: Tomorrow

Main Bearing Set

Part Number: KGB-MB563SI030

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Main Bearing Set

Part Number: KGB-MB752SI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 13, 2026 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Buick, 3.8L, V6, Set 4

Part Number: KGB-MB4017SI020

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, General Motors, Sold as a Set of 4

Part Number: KGB-MB4272SI025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Main Bearings, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.020 in. Undersize, Chevy, Big Block, Set of 5

Part Number: KGB-MB556HP020X

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Estimated Ship Date: Jul 10, 2026 if ordered today

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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: Jul 10, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI05

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Main Bearings, 3/4 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4080SI

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Main Bearings, SI-Series, Full Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI040

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI025

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Ford Tr. V6, 177-244, 1990-97

Part Number: PEB-4M2006A-STD

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Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, 0.02 in./0.50mm Undersize Crankshaft, Ford, Omega, 4.2L, 4.7L, 5.0L, 5.7L, Set of 5

Part Number: PEB-5M590A-20

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Main Bearings, SI-Series, 3/4 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4

Part Number: KGB-MB4023SI010

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Estimated Ship Date: Jul 13, 2026 if ordered today

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