Availability
1981 Main Bearings
Main Bearings, MA Series, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, Lincoln, Mercury, V8, 221, 260, 289, 302, Set of 5
Part Number: SLP-4125MA10
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, Race Series, Tri-Metal, 1/2 Groove, .001 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5
Part Number: PEB-5M829H-01
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, Race Series, Tri-Metal, 1/2 Groove, Stock/0.025mm Undersize, 0.001 in. Extra Oil Clearance, Ford, Small Block, Set of 5
Part Number: PEB-5M590HX-STD
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, P Series, Standard Size, TM-77, Ford, 6-Cylinder, Set of 7
Part Number: CLE-MS979P
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Small Block, Modified, Set of 5
Part Number: KGB-MB5505SI
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, Race Series, Tri-Metal, Narrowed, 1/2 Groove, Standard Size, Chevrolet, Big Block, Set of 5
Part Number: PEB-5M829HN-STD
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, P Series, 1/2 Groove, .001 in. Crankshaft Undersize, Tri Metal, Ford, Small Block, Set of 5
Part Number: CLE-MS590P1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, AL-Series, 1/2 Groove, Standard Size, AL-5, Chevrolet, Small Block, Set of 5
Part Number: CLE-MS909A
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, Race Series, Tri-Metal, 1/2 Groove, .010 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5
Part Number: PEB-5M829H-10
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078MA10
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, MA Series, Bi-Metal, Standard Size, Cadillac, 368, 425, 472, 500, Set of 5
Part Number: SLP-4906MA
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, Race Series, Tri-Metal, Narrowed, 1/2 Groove, .001 Crankshaft Undersize, Chevrolet, Big Block, Set of 5
Part Number: PEB-5M829HN-01
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, SBC 350 Main .001 undersize (thicker), Half-Upper groove, set
Part Number: SUM-909HC001
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, Standard Size, Bi Metal, 3/4 Groove, Chrysler, Dodge, Plymouth, 318, Set of 5
Part Number: SLP-5024MA
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, BBF 460 Standard Clearance, 3/4 Upper and Lower groove, set
Part Number: SUM-1039HS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Ford, Lincoln, Mercury, Set of 5
Part Number: KGB-MB529HP010
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Ford, 221-302, Set of 5
Part Number: SUM-172120
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, King HP-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Ford, Sold as a Set of 5
Part Number: KGB-MB5650HP020
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, SI-Series, Full Groove, Standard Size, Bi-metal, Silicon Aluminum, Ford, Set of 5
Part Number: KGB-MB5504SI
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Main Bearings, 1/2 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB5570SI010
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
MAIN BEARING SET
Part Number: CLE-MS1110H1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Main Bearing Set, 0.001 in. Crankshaft Undersize, Super Duty Alloy, H-14, 3/4 Groove, Even-Fire, Buick, Chevy, V6, 3.8L, Set of 4
Part Number: SLP-107M1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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