1964 Main Bearings

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.01 in./0.25mm Undersize Crankshaft, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, Set of 5

Part Number: PEB-5M909A-10

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearing,

Part Number: CWA-J8133255

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.02 in./0.50mm Undersize Crankshaft, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, Set of 5

Part Number: PEB-5M909A-20

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Estimated Ship Date: Today

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, AM-Series, 1/2 Groove, .060 in. Undersize, Bi Metal, Buick, 3.0, 3.2, 3.8, 3.8L, Set of 4

Part Number: KGB-MB443AM060

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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• Special Order