Engine Bearings & Spacers

Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 4.6L, Set of 5

Part Number: KGB-MB5219SI025

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Estimated Ship Date: Nov 18, 2025 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: Nov 19, 2025 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, 2.5L, Set 5

Part Number: KGB-MB5148SI010

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Ford, Mazda, Sold as a Set of 5

Part Number: KGB-MB5442SI025

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Main Bearing, SI-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650SI020

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, BMW, Sold as a Set of 7

Part Number: KGB-MB7776SI025

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5

Part Number: KGB-MB517SI020

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Estimated Ship Date: Nov 19, 2025 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: Nov 19, 2025 if ordered today

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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: Nov 18, 2025 if ordered today

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

Part Number: KGB-MB459SI05

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Jeep, 2.5L, Set of 5

Part Number: KGB-MB5148SI030

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5

Part Number: KGB-MB517SI040

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 5

Part Number: KGB-MB5280SI075

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Estimated Ship Date: Nov 18, 2025 if ordered today

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

Part Number: KGB-MB5281SI05

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Main Bearing Set

Part Number: KGB-MB752SI010

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Aluminum Silicon, Jeep, 2.5L, Set 5

Part Number: KGB-MB5148SI

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, BMW, Sold as a Set of 7

Part Number: KGB-MB7776SI05

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Thrust Washer Bearing, Direct Replacement, Steel, Jeep, Set

Part Number: CWA-J8133253

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Estimated Ship Date: Nov 13, 2025 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: Nov 19, 2025 if ordered today

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Thrust Washer Bearing, Direct Replacement, Steel, Chrysler, Dodge, Jeep, Ram, Set

Part Number: CWA-5184129K

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Thrust Washer Bearing, Direct Replacement, Steel, Jeep, Set

Part Number: CWA-5012356AB

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Connecting Rod Bearings, Stock Size, Bi-metal, Dodge, Jeep, Set

Part Number: CWA-2421305K

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Pont. V8, 350-400-455, 1955-79

Part Number: CLE-CB758P408

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Connecting Rod Bearings, Stock Size, Bi-metal, Dodge, Jeep, 2.5L, Set

Part Number: CWA-83500300K4

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Cad. V8, 368-425-472-500, 1968-84

Part Number: CLE-CB542P8

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Estimated Ship Date: Oct 6, 2025 if ordered today

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