Main Bearings

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

Part Number: KGB-MB5570SI010

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearing, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650SI010

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Standard Size, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Today

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: Today

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

Part Number: KGB-MB5505SI020

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Type, Aluminum/Tin/Silicon, Stock Crankshaft, Chevy, GMC, Oldsmobile, Pontiac, 6.6L, Set of 5

Part Number: PEB-5M1038A-STD

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, 3.3, 3.8, 4.3L, V6, Set of 5

Part Number: CLE-MS1454P

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, AMC Inline 6-Cylinder, 4.0L, Set of 7

Part Number: KGB-MB7719SI

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Main Bearings, SI-Series, Direct Replacement, 1/2 Groove, Upper, Stock, Bi-metal, Silicon Aluminum, Subaru, Set of 5

Part Number: KGB-MB5382SI

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Duraglide, P-Series, 1/2 Groove, Tri-Metal Design, Copper/Lead/P-77 Overlay, Stock Size Crankshaft, Ford, 4.2L, 4.7L, 5.0L, Set of 5

Part Number: PEB-5M590P-STD

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Aluglide, A-Series, Grooved, Aluminum/Tin/Silicon, 0.01 in./0.25mm Undersize Crankshaft, Chevy, 5.7L, 6.0L, 6.2L, 7.0L, Set of 5

Part Number: PEB-5M7298A-10

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: KGB-MB529SI020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearing Set

Part Number: KGB-MB763SI010

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA10

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 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: Today

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: Today

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, Aluminum/Tin/Silicon, Stock Size Crank, Chevy, Excalibur, 6.5L, 6.6L, 7.0L, 7.4L, Set of 5

Part Number: PEB-5M829A-STD

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: SUM-172230

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.001 in. Extra Clearance, Stock Crank, Chevy, Excalibur, 6.5L, 6.6L, 7.0L, 7.4L, Set of 5

Part Number: PEB-5M829A-01

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5

Part Number: KGB-MB529SI040

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearing Set;

Part Number: SLP-4663MA20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: KGB-MB5219SI

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today