Availability
1968 Main Bearings
Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, SBC 327 Main Standard Clearance, 3/4 Upper and Lower groove, set
Part Number: SUM-429HCS
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5
Part Number: KGB-MB529SI030
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
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 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, Race Series, Tri-Metal, 1/2 Groove, .001 in. Crankshaft Undersize, Ford, Small Block, Set of 5
Part Number: PEB-5M590H-01
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearing Set-.020 OS HOUSING / .040 OS LENGTH FLANGE VW AIR COOLED
Part Number: CLE-MS943A
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, AM-Series, 1/2 Groove, Standard Size, Bi Metal, Buick, Land Rover, MG, Rover, V8, Set of 5
Part Number: KGB-MB589AM
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, XP-Series Coated, Tri-Metal Copper-Lead Nickel, 0.001 in. Crankshaft Undersize, 1/2 Upper Groove, Mopar, Small Block LA, Set of 5
Part Number: KGB-MB558XPC001
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 327 Main .001 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-429H001
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi Metal, AMC, Jeep, 290-401, Set of 5
Part Number: KGB-MB5518AM040
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearing Set;
Part Number: SLP-4663MA20
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Ford V8, 221-255-260-289-302, 1962-01
Part Number: CLE-MS590A30
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 327 Main Standard Clearance, 3/4 Upper and Lower groove, set
Part Number: SUM-429HS
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, Aluminum/Tin/Silicon, Stock Size Crankshaft, Ford, Omega, 4.2L, 4.7L, 5.0L, 5.7L, Set of 5
Part Number: PEB-5M590A-STD
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
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: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Main Bearings, HP-Series, 1/2 Groove, .010 in. Crankshaft Undersize, Bi Metal, Mopar, 426, 440, 426 Hemi, Set of 5
Part Number: KGB-MB5116HP010
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Ford370, 429, 460 ci V8Tri-Metal Coated - .25mm (.010") undersize
Part Number: PEB-5M1039HC-010
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Chrysler Products V8, 426, 1963-71
Part Number: CLE-MB3249VU9
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, BBF 460 .010 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-1039H010
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
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: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5
Part Number: KGB-MB529SI040
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, P Series, Tri Metal, .010 in. Crankshaft Undersize, Buick, 3.0, 3.2, 3.8, 4.1L, V6, Set
Part Number: CLE-MS960P10
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, G Series, .010 in. Crankshaft Undersize, Tri Metal, Pontiac, V8, Set of 5
Part Number: CLE-MS483G10
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 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: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 327 Main .001 Extra Clearance, 3/4 Upper and Lower groove, set
Part Number: SUM-429HXS
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Buick, 400, 430, 455, Set of 5
Part Number: CLE-MS908P20
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
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