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King Engine Bearings

King XP-Series Coated Main Bearings

4.43 out of 5 stars 7 Customer Reviews

Give your engine the winning edge with King XP-Series coated main bearings. Built off the revolutionary XP-Series tri-metal construction, King's factory-applied pMaxKote™ nano-composite coating takes protection to the next level without adding any additional thickness! Order the replacement main bearings designed for fitment with your engine. pMaxKote™ provides: * Superior seizure resistance * Superior cavitation resistance * Superior wear resistance * Superior protection against oil starvation

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King XP-Series Coated Main Bearings MB 557XPC

King XP-Series Coated Main Bearings MB 557XPC

King XP-Series Coated Main Bearings MB 557XPC

Main Bearing, XP-Series, Coated, Standard, Tri Metal, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XPC

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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King XP-Series Coated Main Bearings MB 557XPC 010

King XP-Series Coated Main Bearings MB 557XPC 010

King XP-Series Coated Main Bearings MB 557XPC 010

Main Bearing Set, GENERAL MOTORS 262, 267, 302, 307, 327, 350 - pMaxKote

Part Number: KGB-MB557XPC010

Not Yet Reviewed

Estimated Ship Date: Today

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King XP-Series Coated Main Bearings MB 557XPC STDX

King XP-Series Coated Main Bearings MB 557XPC STDX

King XP-Series Coated Main Bearings MB 557XPC STDX

Main Bearings, King XP-Series Coated Main Bearings, Stock Size, Tri-Metal, Chevy, Sold as a Set of 5

Part Number: KGB-MB557XPCSTDX

Not Yet Reviewed

Estimated Ship Date: Today

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King XP-Series Coated Main Bearings MB 557XPC 020

King XP-Series Coated Main Bearings MB 557XPC 020

King XP-Series Coated Main Bearings MB 557XPC 020

Main Bearing Set, GENERAL MOTORS 262, 267, 302, 307, 327, 350 - pMaxKote

Part Number: KGB-MB557XPC020

Not Yet Reviewed

Estimated Ship Date: Today

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King XP-Series Coated Main Bearings MB 557XPC 001

King XP-Series Coated Main Bearings MB 557XPC 001

King XP-Series Coated Main Bearings MB 557XPC 001

Main Bearings, XPC-Series, 0.001 in. Crankshaft Undersize, Tri Metal, Chevy, Small Block, V8, Set of 5

Part Number: KGB-MB557XPC001

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

King XP-Series Coated Main Bearings MB 509XPC 001

King XP-Series Coated Main Bearings MB 509XPC 001

King XP-Series Coated Main Bearings MB 509XPC 001

Main Bearings, XPC-Series, 0.001 in. Crankshaft Undersize, Tri Metal, Chevy, 400, V8, Set of 5

Part Number: KGB-MB509XPC001

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

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