Availability
1991 Main Bearings
Main Bearings, AM-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, AMC, Jeep, 290-401, Set of 5
Part Number: KGB-MB5518AM030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, 1/2 Groove, .020 in. Undersize, Bi Metal, AMC, Jeep, 290-401, Set of 5
Part Number: KGB-MB5518AM020
Estimated Ship Date: Today
Estimated Ship Date: Today
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, BBF 460 .001 Extra Clearance, 3/4 Upper and Lower groove, set
Part Number: SUM-1039HXS
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, HP-Series, Silicon Aluminum, Standard Size, Ford, 4.6, 5.4L, Set of 5
Part Number: KGB-MB5280HPSTDX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557SISTDX
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, AMC, Jeep, 290-401, Set of 5
Part Number: KGB-MB5518AM040
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Duraglide, P-Series, Tri-Metal Design, Copper/Lead Alloy, 0.001 in. Extra Clearance, Stock Crankshaft, Ford, 4.2L, 4.7L, 5.0L, Set of 5
Part Number: PEB-5M590P-01
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.020 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Chrysler, Dodge, Plymouth, 360, Set of 5
Part Number: SLP-4999MA20
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Main Bearings, Race Series Main Bearing Sets, 0.001 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5
Part Number: SUM-829H001
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, Alecular Silicon, Standard Size, BMW, 2.5L, 2.7L, 2.8L, Set of 5
Part Number: KGB-MB7039AM
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Buick, Land Rover, MG, Rover, V8, Set of 5
Part Number: KGB-MB589AM010
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4
Part Number: SLP-5085MA10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, SI-Series, Silicon Aluminum, Standard Size, Ford, 4.6L, Set of 5
Part Number: KGB-MB5219SI
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Duraglide, P-Series, Grooved, Tri-Metal, 0.01 in./0.25mm Undersize Crankshaft, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.7L, Set of 5
Part Number: PEB-5M909P-10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Tri Metal Copper-lead Alloy, 0.010 in. Crankshaft Crankshaft Undersize, Chevy, Big Block, Set of 5
Part Number: SLP-7122MA10
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Standard Size, Bi Metal, 1/2 Groove, Ford, Mazda, V6, 2.9L, 4.0L, Set of 4
Part Number: SLP-7245MA
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Race Series Main Bearing Sets, 0.001 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, Small Block Windsor 302, Set of 5
Part Number: SUM-590HXS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, BBF 460 .010 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-1039H010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, for use on Acura®, Honda®, Set of 5
Part Number: KGB-MB5568XPSTDX
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Crankshaft Main Bearings set, Honda H22 50mm journal
Part Number: KGB-MB5168XP
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Race Series Main Bearing Sets, 0.001 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5
Part Number: SUM-829HXS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Toyota, Sold as a Set of 5
Part Number: KGB-MB5286SI
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Nissan, 3.0L, Set of 6
Part Number: KGB-MB4104XPSTDX
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, Full Groove, Chrysler, Dodge, Plymouth, 318, Set of 5
Part Number: SLP-5095MA10
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Race Series, Tri-Metal, 1/2 Groove, .020 in. Crankshaft Undersize, Chevrolet, Small Block, Set of 5
Part Number: PEB-5M909H-20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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