BUICK 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, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI010

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI030

1.0 out of 5 stars ( 1 )

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

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

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: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, 1/2 Groove, .020 in. Undersize, Bi Metal, Buick 1994, 3.8L, V6, Set 4

Part Number: KGB-MB4018AM020

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, 1/2 Groove, .030 in. Undersize, Bi Metal, Buick, 3.3, 3.8L, Set of 4

Part Number: KGB-MB480AM030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order