Engines & Components

Main Bearing Set, GENERAL MOTORS 231 CI, V6 OHV

Part Number: KGB-MB4110SI010

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Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Chevy, 2.8L, Set of 4

Part Number: KGB-MB427AM075

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Main Bearings, SI-Series, Full Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 4

Part Number: KGB-MB431SI020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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

Part Number: KGB-MB4507SI05

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Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, for use on Acura®, for use on Honda®, Saturn, Sold as a Set of 4

Part Number: KGB-MB4508SI05

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Main Bearing Set, MERCEDES BENZ M 272.911, M 272.920

Part Number: KGB-MB4521AM025

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Main Bearing Set, MERCEDES BENZ M 272.911, M 272.920

Part Number: KGB-MB4521AM075

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Main Bearings, SI-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 4

Part Number: KGB-MB452SI010

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Main Bearing Set, BMW B37

Part Number: KGB-MB4537SM

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Main Bearing Set, DATSUN MAXIMA 300ZX

Part Number: KGB-MB453AM025

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Main Bearing Set, AUDI CCEA, CJBA, CPAA

Part Number: KGB-MB4548AM05

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Main Bearing Set, SUBARU 1300, 1600

Part Number: KGB-MB3331SI10

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Main Bearing Set, TOYOTA 12R,

Part Number: KGB-MB348AM10

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, for use on Acura®, Honda®, Isuzu, Set of 4

Part Number: KGB-MB4010AM025

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Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Lexus, Toyota, 2.5, 3.0, 3.4L, Set of 4

Part Number: KGB-MB4012AM05

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Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Lexus, Toyota, 2.5, 3.0, 3.4L, Set of 4

Part Number: KGB-MB4012AM075

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Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI075

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Main Bearings, SI-Series, 1/2 Groove, 0.25mm. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chrysler, 3.5L, Set of 4

Part Number: KGB-MB4040SI025

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Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Chrysler, 3.5L, Set of 4

Part Number: KGB-MB4040SI05

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Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Opel, Sold as a Set of 4

Part Number: KGB-MB4049SI

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

Part Number: KGB-MB4049SI025

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Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Ford, 3.8L, Set of 4

Part Number: KGB-MB4052SI075

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Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chevy, 2.8, 3.1, 3.4L, Set of 4

Part Number: KGB-MB4080SI075

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Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Dodge, Jeep, 3.7L, Set of 4

Part Number: KGB-MB4102SI05

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Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Mazda, 2.6L, Set 5

Part Number: KGB-MB5226AM

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