Availability
1973 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: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 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: Today
Estimated Ship Date: Today
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: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Main Bearings, AM-Series, 1/2 Groove, .010 in. Undersize, Chrysler, Dodge, Plymouth, 170, 198, 225, Set of 4
Part Number: KGB-MB407AM010
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Nissan, 2.4L, 2.6L, 2.8L, Set of 7
Part Number: KGB-MB7732AM075
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Main Bearings, P-Series, Standard Size, 1/2 Groove, Upper, Tri Metal, Chevy, Big Block, 396-454, Set of 5
Part Number: EW1-MS829P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Toyota, Set of 7
Part Number: KGB-MB787AM025
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, 0.02 in./0.50mm Undersize Crankshaft, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, Set of 5
Part Number: PEB-5M909A-20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, Copper/Tin/Silicon, Stock Crankshaft, Chevy, 4.4L, 4.9L, 5.0L, 5.3L, 5.4L, 5.7L, Set of 5
Part Number: PEB-5M909A-STD
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearing Set;
Part Number: SLP-4289M20
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 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: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Nissan, 1.2, 1.3, 1.4, 1.5L, Set of 5
Part Number: KGB-MB5229AM10
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 385 Series Big Block, 429, 460, Set of 5
Part Number: SLP-4907M30
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
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 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
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: Today
Estimated Ship Date: 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 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Main Bearings, P Series, Standard Size, Tri Metal, Ford, Small Block, Set of 5
Part Number: EW1-MS590P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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 29, 2026 if ordered today
Estimated Ship Date: May 29, 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: Today
Estimated Ship Date: Today
Main Bearings, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4
Part Number: KGB-MB431SI
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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: Today
Estimated Ship Date: Today
Main Bearing,
Part Number: CWA-J8133255
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
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