Main Bearings - Upper and lower Groove Location - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

King XP-Series Main Bearings MB5168XP STDX

Crankshaft Main Bearings set, Honda H22 50mm journal

Part Number: KGB-MB5168XPSTDX

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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Estimated Ship Date: Dec 17, 2025 if ordered today

King AM-Series Main Bearings MB5568AM

Main Bearings, 1/2 Groove, Standard Size, Bi Metal, Alecular Alloy, for use on Honda®/Acura®, Set of 5

Part Number: KGB-MB5568AM

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King AM-Series Main Bearings MB5278AM0.25

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Speed-Pro Competition Series Main Bearings 148M

Main Bearings, Competition Series, Standard Size, Tri metal, 3/4 Groove, Ford, 4.6L, for Cast Iron Block, Set

Part Number: SLP-148M

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King SI-Series Main Bearings MB5534SI 020

Main Bearings, SI-Series, Full Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Jeep, Mopar, Set of 5

Part Number: KGB-MB5534SI020

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Summit Racing™ Race Series Main Bearing Sets SUM-429H010

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, SBC 327 Main .010 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-429H010

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Summit Racing™ Race Series Main Bearing Sets SUM-1010HC10

Summit Precision High-Tensile Tri-metal Alloy COATED Racing Main Bearings, Ford Cleveland .010 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-1010HC10

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Clevite P-Series Main Bearings MS-1117P-.25MM

BEARING SET

Part Number: CLE-MS1117P25MM

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King AM-Series Main Bearings MB 582AM0.25

Main Bearings, AM-Series, Full Groove, Alecular Silicon, 0.25mm. Crankshaft Undersize, Ford, 2.0L, 2.3L, Set of 5

Part Number: KGB-MB582AM025

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King SI-Series Main Bearings MB5504SI 030

Main Bearings, SI-Series, Full Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI030

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

Sealed Power Main Bearing Sets 4916M30

Main Bearings, 0.030 in. Crankshaft Undersize, Tri Metal, Full Groove, Ford, L6, 4.9L, Set of 7

Part Number: SLP-4916M30

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

King AM-Series Main Bearings MB5233AM

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, for Nissan, 2.0, 2.2, 2.4L, Set 5

Part Number: KGB-MB5233AM

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Sealed Power Main Bearing Sets 146M1

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: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

King XP-Series Main Bearings MB5382XPG STDX

Main Bearings, XP Series, Full Groove, Standard Size, Tri Metal, Subaru, 1.5, 1.6, 1.8, 2.0, 2.2, 2.5L, Set

Part Number: KGB-MB5382XPSTDX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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King AM-Series Main Bearings MB 559AM 040

Main Bearings, AM-Series, Full Groove, .040 in. Crankshaft Undersize, Bi Metal, Ford, Mercury, 330-428, FE, FT, Set 5

Part Number: KGB-MB559AM040

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Sealed Power MA Series Main Bearings 6101MA

Main Bearing Set;

Part Number: SLP-6101MA

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

King SI-Series Main Bearings MB4034SI0.25

Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI025

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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Estimated Ship Date: Dec 17, 2025 if ordered today

King AM-Series Main Bearings MB5568AM0.25

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM025

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Summit Racing™ Race Series Main Bearing Sets SUM-8297H1

Main Bearing, Subaru EJ15,16,18,20,22,25,20T,20TT,22T,25T thrust #3 .001 Undersize, Set

Part Number: SUM-8297H1

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King AM-Series Main Bearings MB5514AM 020

Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM020

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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Estimated Ship Date: Dec 17, 2025 if ordered today

King AM-Series Main Bearings for 1971-1974 CAPRI, PINTO - MB 545AM

Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Ford, 2.0L, Set of 5

Part Number: KGB-MB545AM

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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Estimated Ship Date: Dec 17, 2025 if ordered today

King AM-Series Main Bearings MB5278AM0.75

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM075

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

Sealed Power MA Series Main Bearings 5085MA20

Main Bearings, 0.020 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA20

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

King AM-Series Main Bearings MB5278AM0.5

Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Ford, 2.3, 2.5L, Set of 5

Part Number: KGB-MB5278AM05

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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Estimated Ship Date: Dec 17, 2025 if ordered today

King XP-Series Main Bearings MB7092XP0.25

Main Bearings, XP-Series, Tri-metal, 0.25mm. Crankshaft Undersize, Nissan Skyline 2.6L RB26DETT Only, Set of 7

Part Number: KGB-MB7092XP025

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today