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: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Main Bearings, 3/4 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4
Part Number: KGB-MB4080SI
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rod Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chevy, GMC, Oldsmobile, Pontiac, Set of 6
Part Number: KGB-CR6683SI025
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Crankshaft Main Bearing Set,For CHEVROLET V6 200 (FL O/S +.020)
Part Number: KGB-MB4530SI020
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Alecular Alloy, Set of 4
Part Number: KGB-MB427AM
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 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: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Rod Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Chevy, GMC, Oldsmobile, Pontiac, Set of 6
Part Number: KGB-CR6683SI05
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
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-MB5532SI030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Chevy, 2.8, 3.1, 3.4L, Set of 4
Part Number: KGB-MB4080SI05
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chevy, 2.8, 3.1, 3.4L, Set of 4
Part Number: KGB-MB4080SI075
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Main Bearings, SI-Series, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 5
Part Number: KGB-MB5557SI
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Rod Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chevy, GMC, Oldsmobile, Pontiac, Set of 6
Part Number: KGB-CR6683SI075
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Rod Bearings, King SI-Series Rod Bearings, Stock Size, Bi-,Metal, AMC, Buick, Chevy, GMC, Jeep, Olds, Pontiac, Sold as a Set of 4
Part Number: KGB-CR4615SI
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, .040 in., 1.00 mm Crankshaft Undersize, Bi-Metal, Chevy, Sold as a Set of 5
Part Number: KGB-MB5532SI040
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Buick, Oldsmobile, Pontiac, 2.0L, Set of 5
Part Number: KGB-MB5557SI075
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Buick, Oldsmobile, Pontiac, 2.0L, Set of 5
Part Number: KGB-MB5557SI025
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 1.00mm. Crankshaft Undersize, Buick, Oldsmobile, Pontiac, 2.0L, Set of 5
Part Number: KGB-MB5557SI10
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Chevy, Isuzu, Sold as a Set of 5
Part Number: KGB-MB5753SI
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Chevy, Isuzu, Sold as a Set of 5
Part Number: KGB-MB5753SI025
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Chevy, Isuzu, Sold as a Set of 5
Part Number: KGB-MB5753SI05
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Chevy, Sold as a Set of 5
Part Number: KGB-MB5754SI
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Chevy, Sold as a Set of 5
Part Number: KGB-MB5754SI025
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Chevy, Sold as a Set of 5
Part Number: KGB-MB5754SI05
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
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: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
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-MB5834SI075
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.