Main Bearings

Main Bearings, SI-Series, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Jeep, Mopar, Set of 5

Part Number: KGB-MB5534SI

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/1/2025

Main Bearings, SI-Series, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

Main Bearings, SI-Series, Full Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Jeep, Mopar, Set of 5

Part Number: KGB-MB5534SI010

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Main Bearings, SI-Series, Full Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Jeep, Mopar, Set of 5

Part Number: KGB-MB5534SI020

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Flathead V8, Set

Part Number: KGB-MB3351SI

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Main Bearings, SI-Series, Full Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI030

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, 3/4 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4080SI

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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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-MB5754SI075

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Main Bearings, SI-Series, 3/4 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4

Part Number: KGB-MB4023SI010

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI025

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chevy, 2.8, 3.1, 3.4L, Set of 4

Part Number: KGB-MB4080SI025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, 0.030 in. Over Size, Bi-metal, Silicon Aluminum, Ford, Flathead V8, Set

Part Number: KGB-MB3351SI030

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, SI-Series, Full Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI040

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB431SI

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Subaru, Sold as a Set of 5

Part Number: KGB-MB5739SI05

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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

Part Number: KGB-MB5739SI075

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, SI-Series, Full Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Jeep, Mopar, Set of 5

Part Number: KGB-MB5534SI030

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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

Part Number: KGB-MB5504SI050

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 2.0L, Set of 4

Part Number: KGB-MB5008SI025

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chrysler, 2.7L, Set of 5

Part Number: KGB-MB4074SI025

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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

Part Number: KGB-MB431SI010

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 1.00mm. Crankshaft Undersize, Chrysler, 2.7L, Set of 5

Part Number: KGB-MB4074SI10

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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

Part Number: KGB-MB5753SI

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Buick, Oldsmobile, Pontiac, 2.0L, Set of 5

Part Number: KGB-MB5557SI075

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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