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1991 Main Bearings

Individual Parts

Results 351 - 375 of 950

Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI001

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, 351 Windsor .001 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-1432H01

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Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

Engine Crankshaft Main Bearing Set 65-00 BUI/CHV/GM/GMC/OLD/PON 4.3L/6.0L/6.5L/6.6L/7.0L/7.4L/L

Part Number: EGN-BC364JSTD

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Main Bearing Set - TriArmor-1.6L 1.8L L4 Mazda B6/BP

Part Number: CLE-MS1802H

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Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Main Bearings, Ford, 240, 250, 300 6-cyl., 1966-1996, 0.030 in., Set

Part Number: KGB-MB7750SI030

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB5183SI030

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Estimated Ship Date: Jun 29, 2026 if ordered today

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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: Jun 29, 2026 if ordered today

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Main Bearings, H Series, Standard Size, Alecular, Chevy, Small Block, Set of 5

Part Number: EW1-MS909H

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Main Bearing Set, CHEVROLET 369-502 Gen IV, V, VI - pMaxKote

Part Number: KGB-MB556XPC020

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5

Part Number: KGB-MB517SI030

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Estimated Ship Date: Jun 24, 2026 if ordered today

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Estimated Ship Date: Jun 24, 2026 if ordered today

Main Bearings, P Series, Standard Size, Tri Metal, Ford, Small Block, Set of 5

Part Number: EW1-MS590P

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Main Bearings, XP-Series, Performance, 3/4, Tri-Metal, Set of 5

Part Number: KGB-MB5770XP

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

Main Bearings, Duraglide, P-Series, Grooved, Tri-Metal Style, 0.001 Extra Clearance, Stock Size Crank, Chevy, 6.5L, 6.6L, 7.0L, 7.4L, Set of 5

Part Number: PEB-5M829P-01

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Main Bearings, HP-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 5

Part Number: KGB-MB5280SI05

2.0 out of 5 stars ( 1 )

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

Part Number: KGB-MB4023SI

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Main Bearings, P Series, .010 in. Crankshaft Undersize, 1/2 Groove, Ford, Set

Part Number: CLE-MS979A10

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Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, Stock Size Crank, for use on Acura®, for use on Honda®, 1.6-2.1L, Set of 5

Part Number: PEB-5M1957A-STD

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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, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, AMC 4.0L, Set of 7

Part Number: KGB-MB7719SI030

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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

Part Number: KGB-MB431SI

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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: Jun 29, 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: Jun 29, 2026 if ordered today

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MAIN BEARING SET, SUBARU EJ20/EJ22/EJ25 (INCL. TURBO)

Part Number: KGB-S0064

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