Availability
1969 Main Bearings
Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403
Part Number: KGB-MB5514AM020
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Main Bearings, Competition Series, 0.010 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, International, V8, Set of 5
Part Number: SLP-4070M10
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Ford, 351C, Set of 5
Part Number: KGB-MB5503AM020
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Big Block, Set of 5
Part Number: SUM-172230
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearing Set;
Part Number: SLP-4289M20
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 327 Main .010 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-429H010
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, .002 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5
Part Number: SLP-4663M2
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Main Bearings, HP-Series, 3/4 Groove, .011 in. Undersize, Bi Metal, Ford, 351W, Set of 5
Part Number: KGB-MB5392HP011
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557HP030
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, H Series, 0.001 in. Extra Clearance, Standard Size, Alecular, Chevy, Small Block, Set of 5
Part Number: EW1-MS909HX
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, Duraglide, P-Series, Grooved, Tri-Metal Style, 0.001 Extra Clearance, Stock Size Crank, Chevy, 6.5L, 6.6L, 7.0L, 7.4L, Set of 5
Part Number: PEB-5M829P-01
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal Design, 0.02 in./0.50mm Undersize Crankshaft, Ford, Omega, 4.2L, 4.7L, 5.0L, 5.7L, Set of 5
Part Number: PEB-5M590A-20
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearing,
Part Number: CWA-J8133255
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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: Tomorrow
Estimated Ship Date: Tomorrow
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: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.01 in./0.25mm Undersize Crankshaft, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, Set of 5
Part Number: PEB-5M909A-10
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, SBC 327 Main .001 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-429HC001
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, SBC 327 Main .010 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-429HC010
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, Ford, 240, 250, 300 6-cyl., 1966-1996, 0.030 in., Set
Part Number: KGB-MB7750SI030
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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