Main Bearings

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 12/1/2025

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 12/1/2025

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 12/1/2025

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 12/1/2025

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 12/1/2025

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 12/1/2025

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 12/1/2025

Main Bearings, 0.010 in. Crankshaft Undersize, Tri Metal, Full Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085M10

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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 12/1/2025

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: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

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 12/1/2025

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

Part Number: KGB-MB580AM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, King SI-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Bi-Metal, Chevy, Sold as a Set of 5

Part Number: KGB-MB5754SI075

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 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: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, Full Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI040

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Toyota, 1.6, 1.8L, Set of 5

Part Number: KGB-MB552AM

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Main Bearings, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB431SI

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: KGB-MB5534SI030

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Daewoo, Pontiac, Set of 5

Part Number: KGB-MB5179AM05

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, AM-Series, Full Groove, Alecular Silicon, 0.25mm. Crankshaft Undersize, Toyota, 2.2L, 2.4L, Set of 5

Part Number: KGB-MB580AM025

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

Main Bearings, SI-Series, Full Groove, .050 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI050

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearing Set-Nissan MR18DE / MR20DE 2.0L L4

Part Number: CLE-MS2301A25MM

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Main Bearings, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, British Leyland, Set of 3

Part Number: KGB-MB328AM010

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5168AM10

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Main Bearings, SI-Series, Full Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 4

Part Number: KGB-MB431SI010

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order