Availability
Main Bearings
Main Bearings, Bi-Metal, Silicon Aluminum, 0.020 in. Crankshaft Undersize, GM Gen III/IV LS, Set of 5
Part Number: SUM-172320
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, XP-Series, Performance, 3/4, Tri-Metal, Set of 5
Part Number: KGB-MB5770XP
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Main Bearings, H Series, 0.001 in. Extra Clearance, Standard Size, Alecular, 400 Small Block Chevy, Set of 5
Part Number: EW1-MS1038HX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5
Part Number: KGB-MB554AM040
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
Main Bearings, Race Series Main Bearing Sets, Stock Crankshaft Size, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5
Part Number: SUM-829HNCS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, HP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Chevy, 400, Set of 5
Part Number: KGB-MB509HP001
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Main Bearing Set-Chevrolet V8, 496, 2001-07
Part Number: CLE-MS2327H10
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 5
Part Number: KGB-MB5280SI025
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.001 in. Extra Clearance, Stock Crank, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, Set of 5
Part Number: PEB-5M909A-01
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Chrysler, 170, 198, 225, Set of 4
Part Number: KGB-MB438AM010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Oldsmobile, 260, 307, 330, 350, 403, Set 5
Part Number: CLE-MS805P20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, .030 in. Crankshaft Undersize, Tri Metal, AMC, V8, Set of 5
Part Number: CLE-MS1041P30
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Chrysler, Dodge, Plymouth, 426, 440, Set of 5
Part Number: KGB-MB5116XPSTDX
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Main Bearings, 1/2 Groove, .002 in. Crankshaft Undersize, Bi Metal, Jeep, 2.5, 3.8, 4.0, 4.2L, Pair
Part Number: CWA-J8133682
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, SBC 350 Main .010 undersize (thicker), Half-Upper groove, set
Part Number: SUM-909HC010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, SBC 350 Main Standard Clearance, Half-Upper groove, set
Part Number: SUM-909HXCS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Individual Main Bearings
Part Number: CLE-MB3592HX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 010 in. Crankshaft Undersize, Tri Metal, Chevy, Small Block, Set of 5
Part Number: EW1-MS909P-010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, MA Series, Direct Replacement, 0.010 in. Crankshaft Undersize, AMC, Buick, Chevrolet, GMC, Jeep, Oldsmobile, Pontiac, 2.5L, Set of 5
Part Number: SLP-6689MA10
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Main Bearings, H Series, 0.001 in. Extra Clearance, Standard Size, Alecular, Chevy, Big Block, Set of 5
Part Number: EW1-MS829HX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Race Series Main Bearing Sets, 0.009 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, Small Block Windsor 302, Set of 5
Part Number: SUM-590H009
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearing Set
Part Number: KGB-MB763SI010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5
Part Number: KGB-MB517SI020
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Main Bearing, XP-Series, Coated, 0.26mm Undersize, Tri Metal, Honda, Set of 5
Part Number: KGB-MB5259XPC026
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
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