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

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

Beef up Your Bronco With These Deals - Shop Now!

King XP-Series Main Bearings

4.42 out of 5 stars 43 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
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 performance with a high-load capacity. These race-only Xtreme Performance (XP-Series) Tri-Lecular main bearings are proven track-tough to handle the ground-shaking power of your race engine. Hundreds of sets are available; order the bearings recommended for your vehicle.

Results 1 - 21 of 21

Main Bearings, XP-Series, Standard, Tri Metal, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, V8, Set

Part Number: KGB-MB5013XP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XPSTDX

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XP010

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XP001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Performance, Tri-Metal, Dart LS Next, Set of 5

Part Number: KGB-MB5777XP

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XP010X

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, 1/2 Groove, Standard Size, Tri Metal, Ford 4.6L, 5.4L, Set of 5

Part Number: KGB-MB5280XPC

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.011 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XP011

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, 0.001 in. Extra Clearance, Ford, 4.6, 5.4L, Set of 5

Part Number: KGB-MB5280XPSTDX

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, 4.6L, Set of 5

Part Number: KGB-MB5353XP

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 5

Part Number: KGB-MB5280XP025

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

Part Number: KGB-MB5734XP025

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Standard, Tri Metal Copper-Lead Nickel, Chevrolet, 4.8, 5.3, 6.0, 6.2L, Thrust Bearing Only, Pair

Part Number: KGB-MB1328XP

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Main Bearings, XP-Series, Performance, .001 Extra Clearance, Tri-Metal, Dart LS Next, Set of 5

Part Number: KGB-MB5777XPSTDX

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2025 if ordered today

Main Bearings, King XP-Series Coated Main Bearings, Stock Size, Tri-Metal, Chevy, Each

Part Number: KGB-MB1328XPSTDX

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

Part Number: KGB-MB5770XP

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

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

...Loading

Estimated Ship Date: Today

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: Dec 19, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 19, 2025 if ordered today

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.50mm. Crankshaft Undersize, Ford, 4.6L, Set of 5

Part Number: KGB-MB5353XP05

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 19, 2025 if ordered today

Main Bearings, XP-Series, Copper/Lead/Nickel, Standard Size, Ford, 4.6L, Set of 5

Part Number: KGB-MB5353XPSTDX

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2025 if ordered today

Main Bearings, King XP-Series Main Bearings, .002 in., .026 mm Crankshaft Undersize, Bi-Metal. Ford, Sold as a Set

Part Number: KGB-MB5353XP0026

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2025 if ordered today

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.