Availability
Main Bearings, Duraglide, P-Series, 1/2 Groove, Tri-Metal, Copper/Lead Alloy, 0.02 in./0.50 mm Undersize Crankshaft, Ford, 4.2L, 4.7L, 5.0L, Set of 5
Part Number: PEB-5M590P-20
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, SI-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, GMC, Big Block, Set of 5
Part Number: KGB-MB5212SI010
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557HP011
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Ford, 429-460, Set of 5
Part Number: CLE-MS1039P
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, XP-Series, Copper/Lead/Nickel, 0.020 in. Undersize, Chevy, Big Block, Set of 5
Part Number: KGB-MB556XP020X
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.010 in. Undersize, Chevy, Big Block, Set of 5
Part Number: KGB-MB556HP010X
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Toyota, 2.2, 2.4L, Set 5
Part Number: KGB-MB580AM
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 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: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, SI-Series, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chyrsler, Big Block, Set of 5
Part Number: KGB-MB5116SI001
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, Duraglide, P-Series, Grooved, Tri-Metal, 0.02 in./0.50mm Undersize Crankshaft, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.7L, Set of 5
Part Number: PEB-5M909P-20
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, Duraglide, P-Series, Grooved, Tri-Metal, 0.001 Extra Clearance, Stock Size Crank, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.7L, Set of 5
Part Number: PEB-5M909P-01
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, SI-Series, Silicon Aluminum, 0.040 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB5184SI040
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, Aluminum/Tin/Silicon, Stock Size Crankhaft, Chrysler, Plymouth, 5.9L, Set of 5
Part Number: PEB-5M1266A-STD
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.020 in. Undersize, Chevy, Big Block, Set of 5
Part Number: KGB-MB556HP020X
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Main Bearings, Ford, 240, 250, 300 6-cyl., 1966-1996, 0.030 in., Set
Part Number: KGB-MB7750SI030
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Main Bearings, SI-Series, Full Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5
Part Number: KGB-MB5504SI040
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered 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-590HXCS
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Crankshaft Main Bearings
Part Number: KGB-MB5511XP001
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Crankshaft Main Bearings,GENERAL MOTORS 326, 350, 389, 400 3" Main
Part Number: KGB-MB5511HP020
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Main Bearings, XPC-Series, 0.001 in. Crankshaft Undersize, Tri Metal, Chevy, 400, V8, Set of 5
Part Number: KGB-MB509XPC001
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Main Bearings, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4
Part Number: KGB-MB431SI
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Main Bearing Set;
Part Number: SLP-4289M20
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Main Bearings, SI-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, GMC, Big Block, Set of 5
Part Number: KGB-MB5212SI020
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, 351 Windsor .001 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-1432H01
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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