Availability
1981 Main Bearings
Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Toyota, 1.1, 1.2, 1.3L, Set of 5
Part Number: KGB-MB551AM10
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Chrysler, Dodge, Plymouth, 2.2L, Set of 5
Part Number: KGB-MB5521AM05
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Chrysler, Dodge, Plymouth, 2.2L, Set of 5
Part Number: KGB-MB5521AM075
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Chrysler, Dodge, Plymouth, 2.2L, Set of 5
Part Number: KGB-MB5521AM10
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.50mm Crankshaft Undersize, Chrysler, Dodge, Plymouth, 2.2L, Set of 5
Part Number: KGB-MB5521AM15
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Ford, 1.6L, Set of 5
Part Number: KGB-MB5525AM05
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Ford, 1.6L, Set of 5
Part Number: KGB-MB5525AM075
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Toyota, 1.5, 1.6, 1.8L, Set of 5
Part Number: KGB-MB5527AM10
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Nissan, 2.0, 2.2, 2.4L, Set of 5
Part Number: KGB-MB5233AM05
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, Mitsubishi, 2.3, 2.6L, Set 5
Part Number: KGB-MB5228AM
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Toyota, 1.5, 1.6, 1.8L, Set of 5
Part Number: KGB-MB535AM075
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Nissan, 1.2, 1.3, 1.4, 1.5L, Set of 5
Part Number: KGB-MB5230AM05
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearing Set;
Part Number: SLP-4289M30
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Main Bearings, 0.040 in. Undersize, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078MA40
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Main Bearings, P-Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, Big Block, Set of 5
Part Number: MAN-33040
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Main Bearings, 0.040 in. Crankshaft Undersize, Tri Metal, Full Groove, Ford, L6, 4.9L, Set of 7
Part Number: SLP-4916M40
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Ford, Lincoln, Mercury, Set of 5
Part Number: KGB-MB529HP010X
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Toyota, 1.5, 1.6, 1.8L, Set of 5
Part Number: KGB-MB5527AM075
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.040 in. Undersize, Volvo, 1.8, 2.1, 2.3L, Set of 5
Part Number: KGB-MB5240AM10
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, HP-Series, 3/4 Groove, .010 in. Undersize, Alecular Silicon, Chevy, Small Block, Set of 5
Part Number: KGB-MB5142HP010
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Bearings, HP-Series, 3/4 Groove, .001 in. Undersize, Bi Metal, Chevy, Big Block, Set of 5
Part Number: KGB-MB5164HP001
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, HP-Series, 3/4 Groove, .010 in. Undersize, Bi Metal, Chevy, Big Block, Set of 5
Part Number: KGB-MB5164HP010
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, HP-Series, 3/4 Groove, Alecular Silicon, Set of 5
Part Number: KGB-MB5164HPSTDX
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB5183SI030
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, King AM-Series Main Bearings, .050 in., 1.27 mm Crankshaft Undersize, Bi-Metal, Ford, Sold as a Set
Part Number: KGB-MB5186AM050
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
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