Availability
1987 Main Bearings
Main Bearing, XP-Series, Copper/Lead/Nickel, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557XP020X
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
Main Bearings, 0.040 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 385 Series Big Block, 429, 460, Set of 5
Part Number: SLP-4907M40
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Main Bearing Set;
Part Number: SLP-4124MA40
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, Full Groove, Ford, L6, 4.9L, Set of 7
Part Number: SLP-4916M30
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Ford, Lincoln, Mercury, Set of 5
Part Number: KGB-MB529HP030
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
Main Bearings, Duraglide, P-Series, 1/2 Groove, Tri-Metal, Copper/Lead Alloy, 0.25mm/0.010 in. Undersize Crankshaft, Ford, 6.1L, 7.0L, 7.5L, Set of 5
Part Number: PEB-5M1039P-10
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearing,
Part Number: CWA-J8133255
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Main Bearings, 0.040 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Buick, V6, 3.0L, 3.8L, Set of 4
Part Number: SLP-7144MA40
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Set 5
Part Number: KGB-MB5257SISTDX
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
Main Bearings, 0.010 in. Crankshaft Undersize, Bi-metal, Jeep, 3.8L, 4.0L, 4.2L, Set
Part Number: CWA-8133254K6
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, 0.030 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Buick, V6, 3.0L, 3.8L, Set of 4
Part Number: SLP-7144MA30
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Main Bearings, XP-Series, Copper/Lead/Nickel, 0.50mm. Crankshaft Undersize, Toyota, 1.5, 1.6, 1.8L, Set of 5
Part Number: KGB-MB5527XP05
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
Main Bearings, Standard Size, Tri Metal, 1/2 Groove, for use on Acura®, Honda®, L4, Set of 5
Part Number: SLP-7102M
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 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: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
Main Bearing, Toyota 2A, 3A, 4A, 5A, 6A, 7A 1983 + Standard Size, Set
Part Number: SUM-1695HS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, 0.020 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4
Part Number: SLP-5085MA20
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Main Bearings, .060 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5
Part Number: SLP-4663M60
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB5184SI030
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB5184SI020
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, AMC, Jeep, Set of 5
Part Number: KGB-MB5560SI030
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5
Part Number: KGB-MB5278AM05
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
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: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered 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: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearing Set, CHEVROLET 369-502 Gen IV, V, VI - pMaxKote
Part Number: KGB-MB556XPC020
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Ford, 2.3, 2.5L, Set of 5
Part Number: KGB-MB5547AM010
Not Yet Reviewed
Estimated Ship Date: Jul 10, 2026 if ordered today
Estimated Ship Date: Jul 10, 2026 if ordered today
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