Main Bearings

Main Bearings, SI-Series, Full Groove, .050 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI050

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Estimated Ship Date: May 18, 2026 if ordered today

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Main Bearings, AM-Series, Full Groove, .050 in. Crankshaft Undersize, Bi Metal, Ford, 144, 170, 200, Set of 4

Part Number: KGB-MB409AM050

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Estimated Ship Date: May 18, 2026 if ordered today

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Main Bearings, Full Groove, .050 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, British Leyland, Set of 3

Part Number: KGB-MB328AM050

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Estimated Ship Date: May 18, 2026 if ordered today

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Main Bearings, AM-Series, Full Groove, .050 in. Crankshaft Undersize, Bi Metal, Ford, 1.6L, Set of 5

Part Number: KGB-MB512AM050

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Estimated Ship Date: May 18, 2026 if ordered today

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Main Bearings, AM-Series, 1/2 Groove, .050 in. Undersize, Bi Metal, Buick, 3.0, 3.2, 3.8, 3.8L, Set of 4

Part Number: KGB-MB443AM050

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Estimated Ship Date: May 18, 2026 if ordered today

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Main Bearings, King AM-Series Main Bearings, .050 in., 1.27 mm Crankshaft Undersize, Bi-Metal, Ford, Sold as a Set

Part Number: KGB-MB5186AM050

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Estimated Ship Date: May 18, 2026 if ordered today

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Main Bearings, King SI-Series Main Bearings, .050 in., 1.27 mm Crankshaft Undersize, Bi-Metal, Chevy, Sold as a Set of 5

Part Number: KGB-MB5532SI050

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Estimated Ship Date: May 19, 2026 if ordered today

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