Main Bearings

Main Bearings, Standard Size, Bi Metal, 1/2 Groove, Chevy, Big block, Set of 5

Part Number: SLP-4400MA

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

Main Bearing Set;

Part Number: SLP-4663MA

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

Main Bearings, AM-Series, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 330-428, FE, FT, Set 5

Part Number: KGB-MB559AM010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM

5.0 out of 5 stars ( 1 )

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 Bearing Set;

Part Number: SLP-4663MA10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Main Bearings, Standard Size, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5

Part Number: SLP-5078MA

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 330-428, FE, FT, Set 5

Part Number: KGB-MB559AM020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM010

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5

Part Number: SLP-5078MA10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi-metal, Alecular Alloy, Ford, 351C, Set of 5

Part Number: KGB-MB5503AM

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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: Today

Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, AMC, Jeep, 290-401, Set of 5

Part Number: KGB-MB5518AM040

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: KGB-MB5778SM

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 Bearing Set;

Part Number: SLP-4663MA20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, AM-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, AMC, Jeep, 290-401, Set of 5

Part Number: KGB-MB5518AM030

Not Yet Reviewed

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: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

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, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Chrysler, 170, 198, 225, Set of 4

Part Number: KGB-MB438AM010

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Ford, 351C, Set of 5

Part Number: KGB-MB5503AM010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, AM-Series, Full Groove, Alecular Silicon, 0.25mm. Crankshaft Undersize, Ford, 2.0L, 2.3L, Set of 5

Part Number: KGB-MB582AM025

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Infiniti, Nissan, 2.0L, Set of 5

Part Number: KGB-MB5243XP

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Alecular Alloy, Set of 4

Part Number: KGB-MB438AM

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Special Order