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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 44 Items.
Main Bearings, Competition, 0.001 in. Extra Clearance, Tri Metal, 3/4 Groove, Ford, Big Block, Set of 5
Part Number: SLP-134M1X
Estimated Ship Date: Today
Estimated Ship Date: Today
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Main Bearing, Nissan L13,14,16,18 Z16,18 .001 Undersize, Set
Part Number: SUM-5M72H1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition Series, 0.001 Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 7.4L, Set of 5
Part Number: SLP-141M1X
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, Performance, 0.001 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Ford, Mercury, 351C, Set of 5
Part Number: SLP-146M1X
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, .001 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5
Part Number: SLP-4663M1
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.001 in. Oversize, .001 extra clearance Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5
Part Number: SLP-152M1X
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 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: 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, Competition, 0.001 in. Crankshaft Undersize, Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5
Part Number: SLP-152M1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Performance, 0.001 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Ford, Mercury, 351C, Set of 5
Part Number: SLP-146M1
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Main Bearings, P Series, Full Groove, Standard Size, Tri Metal, Pontiac, V8, Set of 5
Part Number: CLE-MS496P
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition Series, Standard Size, Super Duty Alloy, H-14, 3/4 Groove, Pontiac, 350, 389, 400, Set of 5
Part Number: SLP-113M
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Standard Size, Tri Metal, 1/2 Groove, Upper, Pontiac, 326, 350, 389, 400, Set of 5
Part Number: SLP-4040M
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, Full Groove, .010 in. Crankshaft Undersize, Tri Metal, Pontiac, V8, Set of 5
Part Number: CLE-MS496P10
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, HP Series, 1/2 Groove, Standard Size, Bi Metal, Pontiac, 5.3, 5.7, 6.4, 6.6L, Set
Part Number: KGB-MB5511HP
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, G Series, Standard Size, Tri Metal, Pontiac, V8, Set of 5
Part Number: CLE-MS483G
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, Full Groove, .030 in. Crankshaft Undersize, Tri Metal, Pontiac, V8, Set of 5
Part Number: CLE-MS496P30
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.010 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Upper, Pontiac, 326, 350, 389, 400, Set of 5
Part Number: SLP-4040M10
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, 0.020 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Upper, Pontiac, 326, 350, 389, 400, Set of 5
Part Number: SLP-4040M20
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.010 in. Crankshaft Undersize, Super Duty Alloy, H-14, 3/4 Groove, Pontiac, 350, 389, 400, Set of 5
Part Number: SLP-113M10
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, P Series, Full Groove, .020 in. Crankshaft Undersize, Tri Metal, Pontiac, V8, Set of 5
Part Number: CLE-MS496P20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, XP-Series, 1/2 Groove, Standard Size, Tri Metal, Pontiac V8, Set of 5
Part Number: KGB-MB5511XPSTDX
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.020 in. Crankshaft Undersize, Super Duty Alloy, H-14, 3/4 Groove, Pontiac, 350, 389, 400, Set of 5
Part Number: SLP-113M20
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
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Summit Racing™ Race Series Main Bearing Sets SUM-5M72H1
