Availability
Main Bearings
Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Big Block, Set of 5
Part Number: KGB-MB556SI030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, .030 in. Crankshaft Undersize, Tri Metal, Chevy, 265, 283, 302, 327, Set of 5
Part Number: CLE-MS429P30
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon, Aluminum R Block, Ford, 4.6L, Set of 5
Part Number: KGB-MB5281SI
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearing, Chevrolet Small Block 400 .010 Undersize, Set
Part Number: SUM-1038H-10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557SI030
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Chevy, 400 Small Block, Set of 5
Part Number: CLE-MS1038P20
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078M30
Estimated Ship Date: Today
Estimated Ship Date: Today
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 400 .001 Extra Clearance, 3/4 Upper and Lower groove, set
Part Number: SUM-1038HXS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
INDIVIDUAL MAIN BEARINGS
Part Number: CLE-MB4118VL24
Not Yet Reviewed
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Main Bearing, Full, Standard Size, Steel Backed, Aluminum Alloy, Cadillac, 365, 390, Set of 5
Part Number: KAA-MBS1791-STD
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Standard Size, Tri Metal, 1/2 Groove, Chevy, W Big Block, 348, 409, Set of 5
Part Number: SLP-4036M
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, H Series, 1/2 Groove, Standard Size, Tri Metal, Chevrolet, 6.6L, Set
Part Number: CLE-MS2218H
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.001 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5
Part Number: SLP-139M1
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, V-Series, Standard Size, Lead indium Metal, Chrysler , 426 Hemi, Upper only, Set of 24
Part Number: CLE-MB3248VCTU24
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Chrysler, 273, 318, 340, Set of 5
Part Number: CLE-MS540P10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, HP-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, 400, Set of 5
Part Number: KGB-MB509HP020
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, AM-Series, 1/2 Groove, .010 in. Undersize, Bi Metal, AMC, Jeep, 290-401, Set of 5
Part Number: KGB-MB5518AM010
Estimated Ship Date: Today
Estimated Ship Date: Today
Chrysler Pass. & Trk. 383, 413, 426, 440 H/P V-8 (1959-73)
Part Number: CLE-MS1795M
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition Series, Standard Size, Super Duty Alloy, H-14 Tri-Metal Copper-Lead Alloy, 3/4 Groove, Oldsmobile, 400, 425, 455, Set of 5
Part Number: SLP-108M
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Duraglide, P-Series, Grooved, Tri-Metal, Copper/Lead Alloy, Stock Size Crankshaft, Chevy, 6.5L, 6.6L, 7.0L, 7.4L, Set of 5
Part Number: PEB-5M829P-STD
Not Yet Reviewed
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
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, 351 Windsor .010 undersize (thicker), 3/4 Upper and Lower groove, set
Part Number: SUM-1432H10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearing Set;
Part Number: SLP-884M
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, HP-Series, Silicon Aluminum, Standard Size, Ford, 4.6, 5.4L, Set of 5
Part Number: KGB-MB5280HPSTDX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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