Engines & Engine Parts at Summit Racing

King SI-Series Main Bearings MB5184SI 030

Main Bearings, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB5184SI030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB5184SI 040

Main Bearings, SI-Series, Silicon Aluminum, 0.040 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB5184SI040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King AM-Series Main Bearings MB5227AM

Main Bearings, AM-Series, 3/4 Groove, Standard Size, Bi Metal, Mitsubishi, 1.6, 1.8, 2.0, 2.4L, Set 5

Part Number: KGB-MB5227AM

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King HP-Series Main Bearings MB 529HP 030

Main Bearings, HP-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Ford, Lincoln, Mercury, Set of 5

Part Number: KGB-MB529HP030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings for 2006-2011 TOWN CAR, GRAND MARQUIS, 1996-2011 CROWN VICTORIA - MB5353SI0.5

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 4.6L, Set of 5

Part Number: KGB-MB5353SI05

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King XP-Series Main Bearings MB 556XP020X

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.020 in. Undersize, Chevy, Big Block, Set of 5

Part Number: KGB-MB556XP020X

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King HP-Series Main Bearings MB 556HP020X

Main Bearings, Bi-metal, Silicon Aluminum, 1/2 Groove Style, 0.020 in. Undersize, Chevy, Big Block, Set of 5

Part Number: KGB-MB556HP020X

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB4272SI0.75

Main Bearings, King SI-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Bi-Metal, General Motors, Sold as a Set of 4

Part Number: KGB-MB4272SI075

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB 517SI 030

Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5

Part Number: KGB-MB517SI030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB 517SI 040

Main Bearings, SI-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Aluminum Silicon, Jeep, Chrysler, Set of 5

Part Number: KGB-MB517SI040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King XP-Series Main Bearings MB5286XP.026

Main Bearings, King XP-Series Main Bearings, .001 in., .026 mm Crankshaft Undersize, Tri-Metal, Toyota, Sold as a Set of 5

Part Number: KGB-MB5286XP026

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB5286SI0.25

Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Toyota, Sold as a Set of 5

Part Number: KGB-MB5286SI025

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB5284SI0.5

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Dodge, Jeep, 4.7L, Set of 5

Part Number: KGB-MB5284SI05

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB5504SI 040

Main Bearings, SI-Series, Full Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB5504SI 050

Main Bearings, SI-Series, Full Groove, .050 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI050

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King XP-Series Main Bearings MB5527XP0.5

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.50mm. Crankshaft Undersize, Toyota, 1.5, 1.6, 1.8L, Set of 5

Part Number: KGB-MB5527XP05

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King XP-Series Main Bearings MB 788XP 010

Main Bearings, XP-Series, Tri-metal, 0.010 in. Crankshaft Undersize, Jaguar, 3.8L, Set of 7

Part Number: KGB-MB788XP010

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB 445SI 001

Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI001

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

King SI-Series Main Bearings MB 459SI0.25

Main Bearings, AM-Series, Alecular Silicon, 0.25mm Crankshaft Undersize, Mitsubishi, 3.0L, Set of 4

Part Number: KGB-MB459SI025

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 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: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 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: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

King AM-Series Main Bearings MB5568AM0.75

Main Bearings, AM-Series, Alecular Silicon, 0.75mm Crankshaft Undersize, for use on Acura®, Honda®, Set of 5

Part Number: KGB-MB5568AM075

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

King AM-Series Main Bearings MB5587AM0.5

Main Bearing, AM-Series, Alecular Silicon, 0.50mm. Crankshaft Undersize, Suzuki, 1.6L, Set of 5

Part Number: KGB-MB5587AM05

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today