Engine Bearings & Spacers

Main Bearings, SI-Series, Full Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 4

Part Number: KGB-MB431SI010

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Estimated Ship Date: Nov 17, 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 5

Part Number: KGB-MB5784SI025

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Main Bearings, SI-Series, Bi-metal, 0.25mm Crankshaft Undersize, Ford, 6.8L, Set of 5

Part Number: KGB-MB621SI025

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Crankshaft Main Bearings CHEVROLET 151, 153

Part Number: KGB-MB5313SI020

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Main Bearings, SI-Series, 1/2 Groove, 0.010 in. Over Size, Bi-metal, Silicon Aluminum, Ford, Flathead V8, Set

Part Number: KGB-MB3351SI010

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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, Silicon Aluminum, Buick, 3.8L, V6, Set 4

Part Number: KGB-MB4017SI010

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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, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Chrysler, Dodge, Jeep, Ram, Sold as a Set of 4

Part Number: KGB-MB4518SI05

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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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Main Bearings, SI-Series, Silicon Aluminum, 1.00mm. Crankshaft Undersize, Saturn, 1.9L, Set of 4

Part Number: KGB-MB5007SI10

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Main Bearings, SI-Series, Silicon Aluminum, 1.00mm. Crankshaft Undersize, Chevy, 6.2, 6.5L Diesel, Set of 5

Part Number: KGB-MB5257SI10

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Main Bearings, SI-Series, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Set 5

Part Number: KGB-MB5257SISTDX

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Dodge, Jeep, 4.7L, Set of 5

Part Number: KGB-MB5284SI075

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Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Toyota, Sold as a Set of 5

Part Number: KGB-MB5286SI

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

Part Number: KGB-MB431SI020

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Bearings, 1/2 Groove, .060 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI060

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Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, for Nissan, Sold as a Set of 5

Part Number: KGB-MB5770SI

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Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Suzuki, Sold as a Set of 5

Part Number: KGB-MB5788SI

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

Part Number: KGB-MB5834SI075

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Main Bearings, SI-Series, Bi-metal, 0.50mm Crankshaft Undersize, Ford, 6.8L, Set of 5

Part Number: KGB-MB621SI05

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Rod Bearing, P-Series, 0.030 in. Crankshaft Undersize, Tri-Metal, Ford, Mercury, Set of 8

Part Number: CLE-CB760P308

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Main Bearing, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chevy, Oldsmobile, Pontiac, 2.3L, Set of 5

Part Number: KGB-MB5590SI075

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Main Bearings, King SI-Series Main Bearings, .040 in., 1.00 mm Crankshaft Undersize, Bi-Metal, Toyota, Sold as a Set of 5

Part Number: KGB-MB5646SI10

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