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King XP-Series Main Bearings MB 556XPN 001 Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, 0.001 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

SKU: KINGMB556XPN001

Main Bearings

King XP-Series Main Bearings MB 556XPN 001 Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, 0.001 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5

SKU: KINGMB556XPN001

Main Bearings
A$260.83
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

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.

Part Type

Main Bearing Set

Data: v4.2 - Upd: 2026-10-16 22:05:58

Specifications

Product Attributes - Brand
King Engine Bearings
Product Attributes - Manufacturer's Part Number
MB 556XPN 001
Product Attributes - Part Type
Main Bearings
Product Attributes - Product Line
King XP-Series Main Bearings
Product Attributes - UPC
611500618178
Product Attributes - Bearing Usage
Performance
Product Attributes - Engine Crankshaft Undersize (in.)
0.001 in.
Product Attributes - Engine Crankshaft Undersize (mm)
0.025mm
Product Attributes - Grooved Bearing
Yes
Product Attributes - Groove Location
Upper
Product Attributes - Groove Style
1/2
Product Attributes - Thrust Bearing Oversize
Stock
Product Attributes - Bearing Material
Tri-metal copper-lead nickel
Product Attributes - Quantity
Sold as a set of 5.

Reference Information

Brand Name/s King Engine Bearings
StreetFX SKU kingMB556XPN001
SFX Item ID 4859794
Supplier Item Code 4859794
Manufacturer SKU MB556XPN001
Manufacturer UPC 611500618178
Alternative References KEBMB556XPN001, KGB-MB556XPN001, 556XPN

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1965
    Ending Year1970
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
  • MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • MakeCHEVROLET
    Beginning Year1991
    Ending Year1995
    Engine TypeV8
    Engine FamilyChevy big block Gen V
    Engine Size7.4L/454
  • MakeCHEVROLET
    Beginning Year1996
    Ending Year2000
    Engine TypeV8
    Engine FamilyChevy big block Gen VI
    Engine Size7.4L/454
  • MakeCHEVROLET
    ModelB7
    SubmodelB7T042
    Beginning Year1999
    Ending Year2000
    Engine TypeV8
    Liter7.4
    CID454
    Engine FamilyChevy big block Gen VI
    Engine Size7.4L/454
    Application NotesLP4; Crankshaft Undersize-001in, Flange STD, Optional MB 556SI Race Bearings, Race bearings, Trimetal [pMax Black]
    Engine VIN CodeD
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1965
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1970
    Ending Year1971
    Engine TypeV8
    Liter6.6
    CID402
    CC6588
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1970
    Ending Year1971
    Engine TypeV8
    Liter7.4
    CID454
    CC7439
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1970
    Ending Year1971
    Engine TypeV8
    Liter7.4
    CID454
    CC7441
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1972
    Ending Year1972
    Engine TypeV8
    Liter6.6
    CID402
    CC6588
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    Engine VIN CodeS
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1972
    Ending Year1972
    Engine TypeV8
    Liter6.6
    CID402
    CC6588
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    Engine VIN CodeU
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1972
    Ending Year1972
    Engine TypeV8
    Liter7.4
    CID454
    CC7439
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine VIN CodeV
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1972
    Ending Year1972
    Engine TypeV8
    Liter7.4
    CID454
    CC7439
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine VIN CodeW
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1972
    Ending Year1972
    Engine TypeV8
    Liter7.4
    CID454
    CC7441
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine VIN CodeV
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Engine TypeV8
    Liter7.4
    CID454
    CC7441
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine VIN CodeX
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.4
    CID454
    CC7439
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine VIN CodeX
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.4
    CID454
    CC7439
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine VIN CodeY
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Liter7.4
    CID454
    CC7441
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine VIN CodeY
    RegionUSA
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Liter7.4
    CID454
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Engine VIN CodeY
    RegionUSA
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1965
    Ending Year1969
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    RegionUSA
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    RegionUSA
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1970
    Ending Year1971
    Engine TypeV8
    Liter6.6
    CID402
    CC6588
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    RegionUSA

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