Availability
Engine Bearings & Spacers
Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Chrysler, Dodge, Jeep, Ram, Sold as a Set of 4
Part Number: KGB-MB4518SI025
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
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: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearing, AM-Series, Alecular Silicon, 0.50mm. Crankshaft Undersize, Suzuki, 1.6L, Set of 5
Part Number: KGB-MB5587AM05
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, SI-Series, 1/2 Groove, 0.50mm Crankshaft Undersize, Bi Metal, Ford, Coyote, Set of 5
Part Number: KGB-MB5734SI05
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Subaru, Sold as a Set of 5
Part Number: KGB-MB5739SI
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, Standard Size, Hyundai, Mitsubishi, Set of 5
Part Number: KGB-MB5315AM
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5
Part Number: KGB-MB554AM030
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, Full Groove, .030 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, AMC, Willys, Set of 3
Part Number: KGB-MB319AM030
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 170, 198, 225, Set of 4
Part Number: KGB-MB407AM020
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, SI-Series, 3/4 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4
Part Number: KGB-MB4023SI010
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4
Part Number: KGB-MB4034SI025
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4
Part Number: KGB-MB4034SI05
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4
Part Number: KGB-MB4102SI
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Subaru, Sold as a Set of 5
Part Number: KGB-MB5745SI
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 3.3L, Set of 4
Part Number: KGB-MB4060SI025
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 3.3L, Set of 4
Part Number: KGB-MB4060SI05
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mitsubishi, 3.0L, Set of 4
Part Number: KGB-MB459SI025
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Toyota, 2.2, 2.4L, Set of 5
Part Number: KGB-MB506AM025
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, .050 in. Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5
Part Number: KGB-MB554AM050
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 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: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 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: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Cam Bearings, Steel Backed Babbitt, Set
Part Number: KGB-CS4403BB
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 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: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 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: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Main Bearings, XP-Series, Tri-metal, 0.25mm. Crankshaft Undersize, Nissan Skyline 2.6L RB26DETT Only, Set of 7
Part Number: KGB-MB7092XP025
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster