Bearings & Bearing Spacers

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: Jan 2, 2026 if ordered today

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Main Bearings, King AM-Series Main Bearings, .060 in., 1.52 mm Crankshaft Undersize, Bi-Metal, Ford, Sold as a Set

Part Number: KGB-MB5186AM060

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Main Bearings, King AM-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Chrysler, Dodge, Mazda, Mitsubishi, Plymouth, Sold as a Set

Part Number: KGB-MB5195AM05

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Austin, MG, 1.8L, Set 5

Part Number: KGB-MB520AM010

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Austin, MG, 1.8L, Set 5

Part Number: KGB-MB520AM020

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Main Bearings, AM-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Austin, MG, 1.8L, Set 5

Part Number: KGB-MB520AM030

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Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, Austin, MG, 1.8L, Set 5

Part Number: KGB-MB520AM040

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Main Bearings, SI-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, GMC, Big Block, Set of 5

Part Number: KGB-MB5212SI010

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Main Bearings, XP-Series, Copper/Lead/Nickel, 0.25mm. Crankshaft Undersize, Subaru, 1.8, 2.2, 2.5L, Set of 5

Part Number: KGB-MB5220XP025

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Crankshaft Main Bearings

Part Number: KGB-MB4549XP001

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Crankshaft Main Bearings

Part Number: KGB-MB4549XP010

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Main Bearing, FORD ECOBOOST 1.0L M1DA StockBi-Metal - Strengthened Aluminum

Part Number: KGB-MB4551SM

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Main Bearing, FORD ECOBOOST 1.0L M1DA StockBi-Metal - Strengthened Aluminum

Part Number: KGB-MB4551SM05

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Main Bearing Set, LANDROVER 2.7L TDV6 SPUTTER REPLACEMENT HOUS

Part Number: KGB-MB4553SV

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Main Bearing Set, LANDROVER 2.7L TDV6 SPUTTER REPLACEMENT HOUS

Part Number: KGB-MB4553SV010

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Main Bearing Set, LANDROVER 2.7L TDV6 SPUTTER REPLACEMENT HOUS

Part Number: KGB-MB4553SV020

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MAIN BEARING SET, TOYOTA 2GR-FE

Part Number: KGB-MB4554MC

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MAIN BEARING SET, TOYOTA 2GR-FE

Part Number: KGB-MB4554MC025

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MAIN BEARING SET, TOYOTA 2GR-FE

Part Number: KGB-MB4554MC05

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MAIN BEARING SET, FORD ECOBOOST 2.7L V6

Part Number: KGB-MB4558MC025

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MAIN BEARING SET, FORD ECOBOOST 2.7L V6

Part Number: KGB-MB4558MC05

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MAIN BEARING SET, For FORD ECOBOOST 3.5L V6

Part Number: KGB-MB4570MC

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MAIN BEARING SET, For FORD ECOBOOST 3.5L V6

Part Number: KGB-MB4570MC075

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Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Subaru, 1.2L, Set of 4

Part Number: KGB-MB461AM075

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Main Bearings, XP-Series, Copper/Lead/Nickel, 0.25mm. Crankshaft Undersize, Infiniti, Nissan, 2.0L, Set of 5

Part Number: KGB-MB5243XP025

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