Availability
1978 Bearings & Bearing Spacers
Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5
Part Number: KGB-MB445SI040
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, 1/2 Groove, .060 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5
Part Number: KGB-MB445SI060
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Chevy, Sold as a Set of 4
Part Number: KGB-MB4530SI
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Crankshaft Main Bearing Set,For CHEVROLET V6 200 (FL O/S +.020)
Part Number: KGB-MB4530SI010
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, AM-Series, Full Groove, .060 in. Crankshaft Undersize, Bi Metal, Chrysler, Big Block B, Set of 5
Part Number: KGB-MB555AM060
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearing Set, CHEVROLET 369-502 Gen IV, V, VI - pMaxKote
Part Number: KGB-MB556XPC020
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Mitsubishi, 1.6, 1.8, 2.0, 2.4L, Set of 5
Part Number: KGB-MB5227AM05
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mitsubishi, 2.3, 2.6L, Set of 5
Part Number: KGB-MB5228AM025
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Mitsubishi, 2.3, 2.6L, Set of 5
Part Number: KGB-MB5228AM05
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Nissan, 1.2, 1.3, 1.4, 1.5L, Set of 5
Part Number: KGB-MB5229AM10
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Mercedes-Benz, 2.2, 2.3L, Set of 5
Part Number: KGB-MB536AM05
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.25mm Crankshaft Undersize, Mercedes-Benz, 2.2, 2.3L, Set of 5
Part Number: KGB-MB536AM125
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Alecular Silicon, Ford, Sold as a Set of 5
Part Number: KGB-MB5190SI030
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Austin, MG, 1.8L, Set 5
Part Number: KGB-MB520AM030
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, Austin, MG, 1.8L, Set 5
Part Number: KGB-MB520AM040
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, GMC, Big Block, Set of 5
Part Number: KGB-MB5212SI010
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Volkswagen, Set of 5
Part Number: KGB-MB5070AM025
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, HP-Series, Alecular Alloy, 0.001 in. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 426, 440, Set of 5
Part Number: KGB-MB5116HP001
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, TFC-Series, 1/2 Groove, Bi-metal, Polymer Coated Aluminum, Chyrsler, Big Block, Top Fuel, Set of 5
Part Number: KGB-MB5116TFC010
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Rod Bearings, .030 in Crankshaft Undersize, Bi Metal, Alecular Alloy, GM, Set of 6
Part Number: KGB-CR6684AM030
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Rod Bearings, AM-Series, Alecular Silicon, 1.00mm, Crankshaft Undersize, Toyota, 3.9, 4.2L, Set of 6
Part Number: KGB-CR6606AM10
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Rod Bearings, AM-Series, Alecular Silicon, 0.50mm, Crankshaft Undersize, Nissan, 2.4, 2.6, 2.8L, Set of 6
Part Number: KGB-CR6607AM05
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Rod Bearings, .030 in Crankshaft Undersize, Bi Metal, Alecular Alloy, Set of 6
Part Number: KGB-CR6615AM030
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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