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

Showing In Stock Items. Show All 17 Items.

Results 1 - 10 of 10

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

...Loading

Estimated Ship Date: Today

King XP-Series Coated Main Bearings MB 556XPNC

Main Bearings, XP-Series, 1/2 Groove, Tri-Metal, GM, Big Block, Set

Part Number: KGB-MB556XPNC

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

King XP-Series Coated Main Bearings MB 556XPNC 010

Main Bearings,King XP-Series Coated Main Bearings, .010 in., .25 mm Crankshaft Undersize, Tri-Metal, Chevy, Sold as a Set of 5

Part Number: KGB-MB556XPNC010

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

King XP-Series Coated Main Bearings MB 556XPNC 001

Main Bearings,King XP-Series Coated Main Bearings, .001 in., .025 mm Crankshaft Undersize, Tri-Metal, Chevy, Sold as a Set of 5

Part Number: KGB-MB556XPNC001

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

King XP-Series Coated Main Bearings MB 529XPC

Main Bearings, XP Series Coated, Tri-Metal, pMaxKote Coated, Ford, Small Block Windsor, Set of 5

Part Number: KGB-MB529XPC

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

King XP-Series Coated Main Bearings MB 556XPNC 020

Main Bearings,King XP-Series Coated Main Bearings, .020 in., .50 mm Crankshaft Undersize, Tri-Metal, Chevy, Sold as a Set of 5

Part Number: KGB-MB556XPNC020

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

King XP-Series Coated Main Bearings MB 529XPC STDX

Main Bearings, XP-Series, 1/2 Groove, Standard Size, Tri Metal, Ford, Small Block, Set of 5

Part Number: KGB-MB529XPCSTDX

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

King XP-Series Coated Main Bearings MB5554XPC

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

Part Number: KGB-MB5554XPC

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

King XP-Series Coated Main Bearings MB 556XPC 020

Main Bearing Set, CHEVROLET 369-502 Gen IV, V, VI - pMaxKote

Part Number: KGB-MB556XPC020

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

King XP-Series Coated Main Bearings MB 556XPNC 020

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Page 1 of 1