Availability
1978 Main Bearings
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: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 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: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Main Bearing Set;
Part Number: SLP-4124MA40
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Main Bearings, Competition Series, 0.001 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 400, Set of 5
Part Number: SLP-140M1X
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 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: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 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: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, MA Series, Direct Replacement, 0.020 in. Crankshaft Undersize, Chevrolet, GMC, Set of 5
Part Number: SLP-7122MA20
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Main Bearing,
Part Number: CWA-J8133255
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 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: Today
Estimated Ship Date: 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: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 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: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Main Bearings, King XP-Series Main Bearings, Stock Size, Tri-Metal, Audi, Volkswagen, Sold as a Set of 5
Part Number: KGB-MB5566XPSTDX
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Ford Pass. & Trk. 240, 250, 300 6-cyl. (1966-93)
Part Number: CLE-MS979A
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, SI-Series, Full Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Jeep, Mopar, Set of 5
Part Number: KGB-MB5534SI030
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearing, SI-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Ford, 429, 460, Set of 5
Part Number: KGB-MB5650SI020
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, 0.02 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: Today
Estimated Ship Date: 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 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5
Part Number: KGB-MB517SI030
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, Aluminum/Tin/Silicon, 0.01 in./0.25mm Undersize Crank, Chrysler, Plymouth, 5.9L, Set of 5
Part Number: PEB-5M1266A-10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, Full Groove, Alecular Silicon, 0.25mm. Crankshaft Undersize, Toyota, 2.2L, 2.4L, Set of 5
Part Number: KGB-MB580AM025
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft Main Bearing Set,For CHEVROLET V6 200 (FL O/S +.020)
Part Number: KGB-MB4530SI020
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
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