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Main bearings have one of the toughest, dirtiest jobs in your engine. A good-quality main bearing must withstand extreme heat, friction, and high-rpm stress to keep...
Main bearings have one of the toughest, dirtiest jobs in your engine. A good-quality main bearing must withstand extreme heat, friction, and high-rpm stress to keep your engine operating at its best. At Summit Racing, top-quality main bearings are all we offer. We’re talking industry-leading brands like Clevite, Sealed Power, King Engine Bearings, Speed Pro, SCAT, Callies, and other top names. These are companies that know how to engineer a main bearing for optimum performance in anything from stock V8s to high-end race mills. Whether you’re building a fresh new engine or performing a main bearing replacement,...
Main bearings have one of the toughest, dirtiest jobs in your engine. A good-quality main bearing must withstand extreme heat, friction, and high-rpm stress to keep your engine operating at its best. At Summit Racing, top-quality main bearings are all we offer. We’re talking industry-leading brands like Clevite, Sealed Power, King Engine Bearings, Speed Pro, SCAT, Callies, and other top names. These are companies that know how to engineer a main bearing for optimum performance in anything from stock V8s to high-end race mills. Whether you’re building a fresh new engine or performing a main bearing replacement, we’ve got what you need!
Showing In Stock Items. Show All 55 Items.
Main Bearings, Standard Size, Tri Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078M
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, H Series, 1/2 Groove, Standard Size, Tri Metal, Ford, 351W, 351M, 400, Set of 5
Part Number: CLE-MS1432H
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.010 in. Crankshaft Undersize, Tri Metal, Full Groove, Ford, Mercury, 351W, Set of 5
Part Number: SLP-5107M10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Ford, 351M, 351W, 400, Set of 5
Part Number: CLE-MS1432P
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.020 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078MA20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition Series, Standard Size, Tri Metal, 3/4 Groove, Ford, 351M, 351W, 400, Set of 5
Part Number: SLP-130M
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.010 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078M10
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Standard Size, Tri Metal, Full Groove, Ford, Mercury, 351W, Set of 5
Part Number: SLP-5107M
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, Full Groove, .010 in. Crankshaft Undersize, Tri Metal, Ford, 351M, 351W, 400, Set of 5
Part Number: CLE-MS981P10
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Standard Size, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078MA
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Ford, 351M, 351W, 400, Set of 5
Part Number: CLE-MS1432P10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.001 in. Oversize, Tri Metal, 3/4 Groove, Ford, 351M, 351W, 400, Set
Part Number: SLP-130M1X
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, Lincoln, Mercury, 351W, 351M, 400
Part Number: KGB-MB5505XPSTDX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Ford, 351M, 351W, 400, Set of 5
Part Number: CLE-MS1432P20
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.020 in. Crankshaft Undersize, Tri Metal, Full Groove, Ford, Mercury, 351W, Set of 5
Part Number: SLP-5107M20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, H Series, Full Groove, Standard Size, Tri Metal, Ford, 351M, 351W, 400, Set of 5
Part Number: CLE-MS981H
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
Main Bearings, HP-Series, Copper/Lead/Nickel, Standard Size, Ford, 351W, 351M/400, Set of 5
Part Number: KGB-MB5505XP
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.010 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Ford, 351M, 351W, 400, Set of 5
Part Number: SLP-130M10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, H Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Ford, 351W, 351M, 400, Set of 5
Part Number: CLE-MS1432H10
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.001 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078M1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Ford, Lincoln, Mercury, 351W, 351M, 400
Part Number: KGB-MB5505XP010
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, Standard Size, Tri Metal, Ford, 351M, 351W, 400, Set of 5
Part Number: EW1-MS981P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.040 in. Undersize, Bi Metal, 1/2 Groove, Ford, 351W, 351M, 400, Set of 5
Part Number: SLP-5078MA40
Not Yet Reviewed
Estimated Ship Date: Jan 30, 2026 if ordered today
Estimated Ship Date: Jan 30, 2026 if ordered today
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