2012 Main Bearings

Main Bearings, Bi-Metal, Silicon Aluminum, Standard Size, GM Gen III/IV LS, Set of 5

Part Number: SUM-172300

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

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 9/29/2025

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

Part Number: KGB-MB5293MC

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

• Free Shipping

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 9/29/2025

• 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 9/29/2025

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 9/29/2025

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 9/29/2025

• Free Shipping

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 9/29/2025

Main Bearings, SI-Series, Bi-metal, Standard Size, Mini, 1.6L, Set of 5

Part Number: KGB-MB5667SI

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Main Bearings, HP-Series, Grooved, Bi Metal, Stock Size, Ford, 4.6L Modular, 5.4L Modular, Set of 5

Part Number: KGB-MB5280HP

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Main Bearings, SI-Series, Standard Size, Bi-metal, Silicon Aluminum, Dodge, 5.9, Diesel, Set of 7

Part Number: KGB-MB7009SI

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, BMW, 3.0, Set of 7

Part Number: KGB-MB7776SI

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford Modular V8, Set of 5

Part Number: KGB-MB5280SI

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

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

Part Number: KGB-MB4272SI

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Main Bearings, HP-Series, Silicon Aluminum, Standard Size, Ford, 4.6, 5.4L, Set of 5

Part Number: KGB-MB5280HPSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

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 9/29/2025

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: Dec 23, 2025 if ordered today

• Drop Ship
• Special Order

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 9/29/2025

• Free Shipping

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: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Peugeot, 1.6, Set of 5

Part Number: KGB-MB5758SI

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025