Main Bearings

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

Part Number: SLP-5078M

4.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/22/2025

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

Part Number: SLP-5078M10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Main Bearings, Standard Size, Tri Metal, Full Groove, Ford, Mercury, 351W, Set of 5

Part Number: SLP-5107M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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: Monday 9/22/2025

Main Bearings, Standard Size, Tri Metal, Full Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085M

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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: Monday 9/22/2025

Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5

Part Number: SLP-5078M30

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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: Monday 9/22/2025

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: Monday 9/22/2025

Main Bearings, 0.001 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5

Part Number: SLP-5078M1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Main Bearings, SI-Series, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Jeep, Mopar, Set of 5

Part Number: KGB-MB5534SI

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

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: Monday 9/22/2025

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: Monday 9/22/2025

Main Bearings, SI-Series, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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: Monday 9/22/2025

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 8, 2025 if ordered today

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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: Monday 9/22/2025

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: Monday 9/22/2025

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: Monday 9/22/2025

Main Bearings, SI-Series, Full Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI030

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, for Nissan, 2.0, 2.2, 2.4L, Set 5

Part Number: KGB-MB5233AM

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Full Groove, .040 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 330-428, FE, FT, Set 5

Part Number: KGB-MB559AM040

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI025

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Ford, 2.0L, Set of 5

Part Number: KGB-MB545AM

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM075

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
• Special Order