Bearings & Bearing Spacers

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mazda, 2.0, 2.2L, Set of 5

Part Number: KGB-MB5225AM025

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mazda, 2.6L, Set of 5

Part Number: KGB-MB5226AM025

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Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Mitsubishi, 1.6, 1.8, 2.0, 2.4L, Set of 5

Part Number: KGB-MB5227AM05

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Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Mitsubishi, 1.6, 1.8, 2.0, 2.4L, Set of 5

Part Number: KGB-MB5227AM075

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mitsubishi, 2.3, 2.6L, Set of 5

Part Number: KGB-MB5228AM025

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Rod Bearings, .040 in Crankshaft Undersize, Bi Metal, Alecular Alloy, Set of 4

Part Number: KGB-CR401AM040

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

Part Number: KGB-MB4052SI05

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Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 2.5, 3.0L, Set of 4

Part Number: KGB-MB4056SI05

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Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Chrysler, 2.7L, Set of 5

Part Number: KGB-MB4074SI05

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Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chrysler, 2.7L, Set of 5

Part Number: KGB-MB4074SI075

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Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Chevy, 2.8, 3.1, 3.4L, Set of 4

Part Number: KGB-MB4080SI05

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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, 0.75mm. Crankshaft Undersize, Dodge, Jeep, 3.7L, Set of 4

Part Number: KGB-MB4102SI075

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Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chrysler, 3.2, 3.5L, Set of 4

Part Number: KGB-MB4103SI025

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Rod Bearings, XP-Series, Copper/Lead/Nickel, 0.026mm. Crankshaft Undersize, Nissan, 2.0L, Set of 4

Part Number: KGB-CR4587XP026

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Main Bearing Set

Part Number: KGB-MB752SI030

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Main Bearings, King SI-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Bi-Metal, for Hyundai, Sold as a Set of 5

Part Number: KGB-MB5707SI075

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Crankshaft Main Bearings FORD TRACTOR 134, 192

Part Number: KGB-MB3342AM

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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, for use on Acura®, Honda®, Isuzu, Set of 4

Part Number: KGB-MB4010AM05

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

Part Number: KGB-MB4052SI025

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Crankshaft Main Bearings

Part Number: KGB-MB5352AM025

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Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Ford, 2.0L, Set of 5

Part Number: KGB-MB545AM025

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Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5547AM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 13, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5547AM010

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