Main Bearings

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI05

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, Race Series Main Bearing Sets, 0.001 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, 5.0L, Set of 5

Part Number: SUM-5655H025

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Main Bearings, 3/4 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4080SI

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Estimated Ship Date: Jul 14, 2026 if ordered today

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

Part Number: KGB-MB612AM

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, Race Series Main Bearing Sets, Stock Crankshaft Size, Tri-metal Copper-lead Alloy, Ford, 5.4L, Set of 5

Part Number: SUM-5645HS

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: KGB-MB4034SI025

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearings, King XP-Series Coated Main Bearings, .001 in., .026 mm Crankshaft Undersize, Tri-Metal, Toyota, Sold as a Set of 7

Part Number: KGB-MB7084XPC026

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Bearings, Race Series Main Bearing Sets, 0.010 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, 4.6L, Set of 5

Part Number: SUM-5647H25

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, Race Series Main Bearing Sets, 0.001 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, 4.6L, Set of 5

Part Number: SUM-5647H025

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearing, Toyota 2ZZ-GE Standard Size Extra Clearance, Set

Part Number: SUM-1857HXS

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, SI-Series, 3/4 Groove, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 2.9, 4.0L, Set 4

Part Number: KGB-MB4023SI010

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearing, Audi/VW VR6 -2.8,2.9,3.2,3.6L .001 Undersize, Set

Part Number: SUM-5532H1

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Mazda, 1.8, 2.0L, Set of 5

Part Number: KGB-MB5171AM

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearing, Subaru FA20,24D,24F Toyota 4U-GSE Standard Size, Set

Part Number: SUM-8312HS

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, Competition Series, 0.001 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 400, Set of 5

Part Number: SLP-140M1X

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Estimated Ship Date: May 6, 2026 if ordered today

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Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, 351 Windsor .001 undersize (thicker), 3/4 Upper and Lower groove, set

Part Number: SUM-1432H01

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearing, Honda K20C1-Type R 2015+ Standard Size, Set

Part Number: SUM-1985HS

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearing, Ford Eco 2.0L,2.3L Mazda 2.0,2.3L LF,L3,MZR, 2.3L L3-VDT Standard Size, Set

Part Number: SUM-8174HS

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, 0.040 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Buick, V6, 3.0L, 3.8L, Set of 4

Part Number: SLP-7144MA40

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Estimated Ship Date: May 6, 2026 if ordered today

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Main Bearing, Nissan KA24DE Standard Size Extra Clearance, Set

Part Number: SUM-2747HXS

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Mitsubishi, 1.8L, Set of 5

Part Number: KGB-MB5176XPSTDX

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Estimated Ship Date: Jul 15, 2026 if ordered today

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Main Bearing, Toyota 1GR-FE Standard Clearance , Set

Part Number: SUM-8263HS

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, 0.030 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Buick, V6, 3.0L, 3.8L, Set of 4

Part Number: SLP-7144MA30

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Estimated Ship Date: May 5, 2026 if ordered today

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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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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

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Estimated Ship Date: May 6, 2026 if ordered today

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