King XP-Series Main Bearings

4.43 out of 5 stars 44 Customer Reviews

Built with enhanced tri-metal, King XP-Series main bearings have a layered copper lead construction, with a nickel plate barrier and lead/tin/copper Babbitt overlay

Built with enhanced tri-metal, King XP-Series main bearings have a layered copper lead construction, with a nickel plate barrier and lead/tin/copper Babbitt overlay over a steel backing--in an adhesion process that provides superior stability and durability. King's advanced control measures hit a bull's-eye, maintaining wall thickness tolerances far tighter than their competitors: an amazing +/- .0001 in. The XP-Series main bearings are narrowed for large radii crankshafts and feature enlarged, chamfered oil holes with full, 3/4 in., or 1/2 in. grooving for improved oiling. They deliver consistent and reliable perfor

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King XP-Series Main Bearings MB5770XP

Main Bearings, XP-Series, Performance, 3/4, Tri-Metal, Set of 5

Part Number: KGB-MB5770XP

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

King XP-Series Main Bearings MB4058XP STDX

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Nissan, 3.5L, Set of 4

Part Number: KGB-MB4058XPSTDX

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

King XP-Series Main Bearings MB5243XP

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Infiniti, Nissan, 2.0L, Set of 5

Part Number: KGB-MB5243XP

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

King XP-Series Main Bearings MB5770XP.026

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

Part Number: KGB-MB5770XP026

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

King XP-Series Main Bearings MB5243XP0.25

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.25mm. Crankshaft Undersize, Infiniti, Nissan, 2.0L, Set of 5

Part Number: KGB-MB5243XP025

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

King XP-Series Main Bearings MB4058XP

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Nissan, 3.5L, Set of 4

Part Number: KGB-MB4058XP

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

King XP-Series Main Bearings MB4524XP.026

Main Bearings, King XP-Series Main Bearings, .001 in., .026 mm Crankshaft Undersize, Bi-Metal, for Infiniti, for Nissan, Sold as a Set of 4

Part Number: KGB-MB4524XP026

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

King XP-Series Main Bearings MB4104XP.026

Main Bearings, King XP-Series Main Bearings, .001 in., .026 mm Crankshaft Undersize, Tri-Metal, for Nissan, Sold as a Set of 4

Part Number: KGB-MB4104XP026

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

King XP-Series Main Bearings MB4104XP0.5

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.50mm. Crankshaft Undersize, Nissan, 3.0L, Set of 6

Part Number: KGB-MB4104XP05

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

King XP-Series Main Bearings MB4104XP STDX

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Nissan, 3.0L, Set of 6

Part Number: KGB-MB4104XPSTDX

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

King XP-Series Main Bearings MB5770XP0.25

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

Part Number: KGB-MB5770XP025

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

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