CHECKER Main Bearings

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: Monday 2/2/2026

Main Bearings, Tri Metal, 0.020 in. Crankshaft Undersize, Chevy, 283, 327, Set of 5

Part Number: SLP-994M20

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/2/2026

Main Bearing Set;

Part Number: SLP-4663MA10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/2/2026

Main Bearings, Race Series, Tri-Metal, CT-1 Coating, 1/2 Groove, Standard Size, Chevrolet, Small Block, Set of 5

Part Number: PEB-5M909HC-STD

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

• Free Shipping

Main Bearings, HP-Series, .001in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/2/2026

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: Monday 2/2/2026

Main Bearing, XP-Series, Copper/Lead/Nickel, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP011

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/2/2026

Main Bearing, Performance Series, .010 in. Crankshaft Undersize, Tri-metal copper-lead nickel, Dodge, Plymouth, Small Block, Each

Part Number: KGB-MB558XPC010

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

• Free Shipping

Main Bearings, .001 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

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

Part Number: KGB-MB557SI040

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

MAIN BEARING SET

Part Number: CLE-MS909H21

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

Main Bearings, P Series, 1/2 Groove, 0.010 in. Crankshaft Undersize, TM-77, Chevy, GMC, 194, 230, 250, 292, Set

Part Number: CLE-MS617P10

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Dodge, Plymouth, V8, Set of 5

Part Number: KGB-MB558SI010

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

Main Bearings, AM-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM020

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

Main Bearings, Race Series, Tri-Metal, 1/2 Groove, .020 in. Crankshaft Undersize, Chevrolet, Small Block, Set of 5

Part Number: PEB-5M909H-20

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

Main Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP011

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SISTDX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

Main Bearing Set;

Part Number: SLP-4663MA20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

Main Bearings, Direct Replacement, 0.030 in. Crankshaft Undersize, Tri Metal, Full Groove, Chevy, 283, 327, Set of 5

Part Number: SLP-994M30

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

Main Bearings, AM-Series, 1/2 Groove, .060 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM060

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI010

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

Main Bearing Set

Part Number: KGB-MB752SI010

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, .002 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M2

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI001

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

• Drop Ship
• Special Order