Engines & Engine Parts 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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King SI-Series Main Bearings MB4073SI0.25

Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Audi, Volkswagen, Sold as a Set of 4

Part Number: KGB-MB4073SI025

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 MB4080SI0.75

Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chevy, 2.8, 3.1, 3.4L, Set of 4

Part Number: KGB-MB4080SI075

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 MB 407AM 040

Main Bearings, AM-Series, 1/2 Groove, .040 in. Crankshaft Undersize, Chrysler, Dodge, Plymouth, 170, 198, 225, Set of 4

Part Number: KGB-MB407AM040

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 MB4057AM0.75

Main Bearings, King AM-Series Main Bearings, .030 in., .75 mm Crankshaft Undersize, Bi-Metal, for use on Honda®, Sold as a Set

Part Number: KGB-MB4057AM075

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 MB4050AM0.25

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

Part Number: KGB-MB4050AM025

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 MB4050AM0.5

Main Bearings, AM-Series, Alecular Silicon, 0.50mm Crankshaft Undersize, Kia, Mitsubishi, Set of 4

Part Number: KGB-MB4050AM05

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 MB4050AM1.0

Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Kia, Mitsubishi, Set of 4

Part Number: KGB-MB4050AM10

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 MB4052SI0.5

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

Part Number: KGB-MB4052SI05

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 1999-2003 9-5, 1995-1997 9000 - MB4049SI0.25

Main Bearings, King SI-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Opel, Sold as a Set of 4

Part Number: KGB-MB4049SI025

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 MB4049SI0.5

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

Part Number: KGB-MB4049SI05

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 MB4056SI0.75

Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Ford, 2.5, 3.0L, Set of 4

Part Number: KGB-MB4056SI075

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 MB4073SI

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Audi, Volkswagen, Sold as a Set of 4

Part Number: KGB-MB4073SI

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 MB 409AM 050

Main Bearings, AM-Series, Full Groove, .050 in. Crankshaft Undersize, Bi Metal, Ford, 144, 170, 200, Set of 4

Part Number: KGB-MB409AM050

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 MB4074SI0.5

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Chrysler, 2.7L, Set of 5

Part Number: KGB-MB4074SI05

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 MB4074SI0.75

Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chrysler, 2.7L, Set of 5

Part Number: KGB-MB4074SI075

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 MB4040SI0.75

Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chrysler, 3.5L, Set of 4

Part Number: KGB-MB4040SI075

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 MB4040SI1.0

Main Bearings, SI-Series, Silicon Aluminum, 1.00mm. Crankshaft Undersize, Chrysler, 3.5L, Set of 4

Part Number: KGB-MB4040SI10

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 MB4102SI0.5

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Dodge, Jeep, 3.7L, Set of 4

Part Number: KGB-MB4102SI05

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 MB4102SI1.0

Main Bearings, SI-Series, Silicon Aluminum, 1.00mm. Crankshaft Undersize, Dodge, Jeep, 3.7L, Set of 4

Part Number: KGB-MB4102SI10

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 MB4103SI0.25

Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chrysler, 3.2, 3.5L, Set of 4

Part Number: KGB-MB4103SI025

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 MB4103SI0.75

Main Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chrysler, 3.2, 3.5L, Set of 4

Part Number: KGB-MB4103SI075

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 MB4103SI1.0

Main Bearings, SI-Series, Silicon Aluminum, 1.00mm. Crankshaft Undersize, Chrysler, 3.2, 3.5L, Set of 4

Part Number: KGB-MB4103SI10

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 MB 416AM

Main Bearings, Full Groove, Standard Size, Bi Metal, Alecular Alloy, Set of 4

Part Number: KGB-MB416AM

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 MB4012AM1.0

Main Bearings, AM-Series, Alecular Silicon, 1.00mm Crankshaft Undersize, Lexus, Toyota, 2.5, 3.0, 3.4L, Set of 4

Part Number: KGB-MB4012AM10

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