Summit Racing SpeedCard - learn how to get 10% back up to $100

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3 Results Found For "Factory Five"

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3 Results Found For "Factory Five"

Main bearings have one of the toughest, dirtiest jobs in your engine. A good-quality main bearing must withstand extreme heat, friction, and high-rpm stress to keep...

Main bearings have one of the toughest, dirtiest jobs in your engine. A good-quality main bearing must withstand extreme heat, friction, and high-rpm stress to keep your engine operating at its best. At Summit Racing, top-quality main bearings are all we offer. We’re talking industry-leading brands like Clevite, Sealed Power, King Engine Bearings, Speed Pro, SCAT, Callies, and other top names. These are companies that know how to engineer a main bearing for optimum performance in anything from stock V8s to high-end race mills. Whether you’re building a fresh new engine or performing a main bearing replacement,...

Main bearings have one of the toughest, dirtiest jobs in your engine. A good-quality main bearing must withstand extreme heat, friction, and high-rpm stress to keep your engine operating at its best. At Summit Racing, top-quality main bearings are all we offer. We’re talking industry-leading brands like Clevite, Sealed Power, King Engine Bearings, Speed Pro, SCAT, Callies, and other top names. These are companies that know how to engineer a main bearing for optimum performance in anything from stock V8s to high-end race mills. Whether you’re building a fresh new engine or performing a main bearing replacement, we’ve got what you need!

Individual Parts

Results 1 - 3 of 3

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Set of 4

Part Number: KGB-MB4056SI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 2.5, 3.0L, Set of 4

Part Number: KGB-MB4056SI05

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Main Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Ford, 2.5, 3.0L, Set of 4

Part Number: KGB-MB4056SI025

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

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