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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 32 Items.
Main Bearings, Standard Size, Bronze Alloy, AM General, Chevy, GMC, Hummer, 6.2, 6.5, Set of 5
Part Number: SLP-7370M
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, .030 in. Crankshaft Undersize, Bronze Alloy, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2, Set of 7
Part Number: SLP-7409M30
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Main Bearings, Direct Replacement, 0.50mm Crankshaft Undersize, Steel Backed Bronze Alloy, 1/2 Groove, Chrysler, Dodge, Jeep, Ram, Set of 5
Part Number: SLP-7419M50MM
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Main Bearings, Standard Size, Bronze Alloy, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2, Set of 7
Part Number: SLP-7409M
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Main Bearings, .010 in. Crankshaft Undersize, Bronze Alloy, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2, Set of 7
Part Number: SLP-7409M10
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Main Bearings, TFC-Series, 1/2 Groove, Bi-metal, Polymer Coated Aluminum, Chyrsler, Big Block, Top Fuel, Set of 5
Part Number: KGB-MB5116TFC010
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Main Bearings, King XA-Series Main Bearings, Stock Size, Tri-Metal, Mercedes-Benz, Sold as a Set of 4
Part Number: KGB-MB4532XA
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Main Bearings, King XA-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Tri-Metal, Mercedes-Benz, Sold as a Set of 4
Part Number: KGB-MB4532XA025
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Main Bearings, King XA-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Tri-Metal, Mercedes-Benz, Sold as a Set of 4
Part Number: KGB-MB4532XA05
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Main Bearings, King XA-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Tri-Metal, Mercedes-Benz, Sold as a Set of 4
Part Number: KGB-MB4532XA075
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Crankshaft Main Bearings set, Dodge Sprinter Van 2003 - 2005
Part Number: KGB-MB1190XA025
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Crankshaft Main Bearings set, Dodge Sprinter Van 2003 - 2005
Part Number: KGB-MB1190XA05
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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