Main Bearings - 1/2 Groove Style - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

King SM-Series Main Bearings MB4533SM0.5

Main Bearings, King SM-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Audi, Sold as a Set of 4

Part Number: KGB-MB4533SM05

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

King AM-Series Main Bearings MB5022AM

Main Bearings, King AM-Series Main Bearings, Stock Size, Bi-Metal, for Hyundai, Sold as a Set

Part Number: KGB-MB5022AM

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

King XP-Series Main Bearings MB5375XP0.5

Main Bearings, King XP-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Tri-Metal, Lotus, Pontiac, Toyota, Sold as a Set

Part Number: KGB-MB5375XP05

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

King SI-Series Main Bearings MB5646SI

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Toyota, Sold as a Set of 5

Part Number: KGB-MB5646SI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Speed-Pro Competition Series Main Bearings 7211M20

Main Bearings, 0.020 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Jeep, L6, 4.0L, Set

Part Number: SLP-7211M20

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

Speed-Pro Competition Series Main Bearings 7211M30

Main Bearings, 0.030 in. Undersize, Tri Metal, 1/2 Groove, Jeep, L6, 4.0L, Set

Part Number: SLP-7211M30

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

Sealed Power MA Series Main Bearings 7296MA50MM

Main Bearings, 0.50mm Crankshaft Undersize, Bi Metal, 1/2 Groove, Ford, Lincoln, Mercury, 4.6L, 5.4L, Set of 5

Part Number: SLP-7296MA50MM

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

King SI-Series Main Bearings MB5682SI 020

Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, General Motors, Sold as a Set of 5

Part Number: KGB-MB5682SI020

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

King SM-Series Main Bearings MB5779SM0.5

Main Bearings, King SI-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Bi-Metal, Audi, Sold as a Set of 5

Part Number: KGB-MB5779SM05

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

King XP-Series Main Bearings MB5304XP

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, Kia, Mazda, Mercury, Set of 5

Part Number: KGB-MB5304XP

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

King AM-Series Main Bearings MB5315AM

Main Bearings, AM-Series, Alecular Silicon, Standard Size, Hyundai, Mitsubishi, Set of 5

Part Number: KGB-MB5315AM

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

King AM-Series Main Bearings MB5373AM0.5

Main Bearings, King AM-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Alecular Silicon, for Nissan, Sold as a Se

Part Number: KGB-MB5373AM05

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

King AM-Series Main Bearings MB5375AM0.5

Main Bearings, King AM-Series Main Bearings, .020 in., .50 mm Crankshaft Undersize, Alecular Silicon, Lotus, Pontiac, Toyota, Sold as a Set

Part Number: KGB-MB5375AM05

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

King AM-Series Main Bearings MB 554AM 030

Main Bearings, AM-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Chevy, 265, 283, 302, 327, Set of 5

Part Number: KGB-MB554AM030

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Clevite AL-Series Main Bearings MS-1948A

AMC/Jeep 150 (2.46L) Eng. (1991-94)

Part Number: CLE-MS1948A

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

King XP-Series Main Bearings MB 557XP020X

Main Bearing, XP-Series, Copper/Lead/Nickel, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP020X

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

King AM-Series Main Bearings MB5587AM0.25

Main Bearing, AM-Series, Alecular Silicon, 0.25mm. Crankshaft Undersize, Suzuki, 1.6L, Set of 5

Part Number: KGB-MB5587AM025

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Sealed Power MA Series Main Bearings 7292MA75MM

Main Bearings, MA Series, 0.75mm Crankshaft Undersize, Bi-metal Aluminum Alloy, 1/2 Groove, Ford, Lincoln, Mercury, 4.6L, Set of 5

Part Number: SLP-7292MA75MM

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Sealed Power MA Series Main Bearings 7296MA75MM

Main Bearings, MA Series, 0.75mm Crankshaft Undersize, Bi-metal Aluminum Alloy, 1/2 Groove, Ford, Lincoln, Mercury, Set of 4

Part Number: SLP-7296MA75MM

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Sealed Power MA Series Main Bearings 7352MA25MM

Main Bearings, 0.25mm Crankshaft Undersize, Bi Metal, 1/2 Groove, Dodge, Jeep, 4.7L, Set of 5

Part Number: SLP-7352MA25MM

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Sealed Power Main Bearing Sets 7409M10

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: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Sealed Power Main Bearing Sets 4289M40

Main Bearing Set;

Part Number: SLP-4289M40

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Sealed Power MA Series Main Bearings 5078MA40

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: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Sealed Power Main Bearing Sets 7419M50MM

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: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Clevite AL-Series Main Bearings MS-2249A-10

Main Bearing Set-Chevrolet 4, 2.8L-2.9L DOHC, 2004-10

Part Number: CLE-MS2249A10

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today