Availability
Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chevy, 2.8, 3.1, 3.4L, Set of 4
Part Number: KGB-MB4080SI025
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Lexus, Lotus, Toyota, Sold as a Set of 4
Part Number: KGB-MB4525SI05
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5
Part Number: KGB-MB445SI001
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 5
Part Number: KGB-MB5280SI075
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 4.6L, Set of 5
Part Number: KGB-MB5281SI05
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Jeep, 2.5L, Set of 5
Part Number: KGB-MB5148SI030
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5
Part Number: KGB-MB517SI040
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB5183SI010
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, Mazda, 3.0L, Set of 4
Part Number: KGB-MB459SI05
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.040 in. Crankshaft Undersize, Chevy, Set of 5
Part Number: KGB-MB5293SI040
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearing Set
Part Number: KGB-MB752SI010
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, AMC, Jeep, Set of 5
Part Number: KGB-MB5560SI020
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Subaru, Sold as a Set of 5
Part Number: KGB-MB5739SI05
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Isuzu, 2.2L, Set of 5
Part Number: KGB-MB5088SI025
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Isuzu, 2.2L, Set of 5
Part Number: KGB-MB5088SI05
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearing Set
Part Number: KGB-MB463SI010
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Buick, 3.3, 3.8L, Set of 4
Part Number: KGB-MB480SI030
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, King SI-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Bi-Metal, Ford, Mazda, Sold as a Set of 5
Part Number: KGB-MB5442SI075
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, SI-Series, Bi-metal, 0.25mm Crankshaft Undersize, Mini, 1.6L, Set of 5
Part Number: KGB-MB5667SI025
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, SI-Series, 1/2 Groove, 0.25mm Crankshaft Undersize, Bi Metal, Ford, Coyote, Set of 5
Part Number: KGB-MB5734SI025
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, for Infiniti, for Nissan, Sold as a Set of 4
Part Number: KGB-MB4524SI05
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Mazda, 3.0L, Set of 4
Part Number: KGB-MB459SI
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, SI-Series, Grooved, Bi Metal, Stock Size, Ford, 1.9L, 2.0L, Set of 5
Part Number: KGB-MB5558SI
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, Replacement, 1/2 Groove, Bi-metal, Aluminum Silicon, Set of 4
Part Number: KGB-MB5006SI
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, 2.5L, Set 5
Part Number: KGB-MB5148SI020
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
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