2020 Main Bearings

Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, 4.8, 5.3L, Set of 5

Part Number: KGB-MB5293SI

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/12/2026

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

Part Number: KGB-MB5013HP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/12/2026

• Free Shipping

Main Bearings, HP Series, 1/2 Groove, Standard Size, Bi Metal, Chevrolet, 5.7L, Set of 5

Part Number: KGB-MB5013HPSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

• Free Shipping

Main Bearings, SI-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI010

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/12/2026

Main Bearings, SI-Series, 0.001 in. Crankshaft Undersize, Bi-metal, Grooved, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Set of 5

Part Number: KGB-MB5293SI001

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi Metal, Ford, Coyote, Set of 5

Part Number: KGB-MB5734SI

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Alecular Silicon, Chevy, Small Block, LS, Set of 5

Part Number: KGB-MB5013HP010

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

• Free Shipping

Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Alecular Silicon, Chevy, Small Block, LS, Set of 5

Part Number: KGB-MB5013HP001

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

• Free Shipping

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

Part Number: KGB-MB5293SI020

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

Main Bearings, SI-Series, Standard Size, Bi-metal, Silicon Aluminum, Chevy, 4.8, 5.3L, Set of 5

Part Number: KGB-MB5766SI

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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

Part Number: KGB-MB5293SI030

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, General Motors, Sold as a Set of 4

Part Number: KGB-MB4272SI

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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

Part Number: KGB-MB5398SI

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, Silicon Aluminum, 0.040 in. Crankshaft Undersize, Chevy, Set of 5

Part Number: KGB-MB5293SI040

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB5707SI

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, General Motors, Sold as a Set of 4

Part Number: KGB-MB4272SI025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Chrysler, Dodge, Sold as a Set of 5

Part Number: KGB-MB5840SI025

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

Main Bearings, SI-Series, 1/2 Groove, 0.50mm Crankshaft Undersize, Bi Metal, Ford, Coyote, Set of 5

Part Number: KGB-MB5734SI05

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Chrysler, Dodge, Jeep, Ram, Sold as a Set of 4

Part Number: KGB-MB4518SI

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB5442SI

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, 1/2 Groove, 0.25mm Crankshaft Undersize, Bi Metal, Ford, Coyote, Set of 5

Part Number: KGB-MB5734SI025

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB5840SI05

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, General Motors, Sold as a Set of 4

Part Number: KGB-MB4272SI05

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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

Part Number: KGB-MB5745SI

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, for Infiniti, for Nissan, Sold as a Set of 4

Part Number: KGB-MB4524SI05

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026