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Speed-Pro Competition Series Main Bearings 4664M30 Bearing Set;

SKU: SLP4664M30

Main Bearings

Speed-Pro Competition Series Main Bearings 4664M30 Bearing Set;

SKU: SLP4664M30

Main Bearings
A$315.64
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

If you're building a serious performance engine, then you'll want to consider Speed-Pro Competition Series main bearings. They were developed in NASCAR and Pro Stock competition, so you know they're tough. The bearings are built on premium 1020AK steel backings and overlaid with Speed-Pro's super-duty H-14 alloy. That layer is then covered with a nickel barrier, followed by a thin lead-tin-copper overplate. However, unlike other performance bearings, there is no flash tin layer on top of that. Speed-Pro's engineers have determined that such a layer can actually move around under high loads—sometimes with undesirable consequences. Depending on the application, these main bearings have oil grooves for enhanced lubrication, while maintaining a maximum bearing surface area. They also feature Speed-Pro's exclusive contoured-flange thrust bearing technology for higher thrust-loading capacity. Competition Series main bearings are available in nearly a hundred configurations for countless vehicle and engine applications.

Part Type

Main Bearing Set

Data: v4.2 - Upd: 2026-09-30 14:11:30

Specifications

Product Attributes - Brand
Sealed Power
Product Attributes - Manufacturer's Part Number
4664M30
Product Attributes - Part Type
Main Bearings
Product Attributes - Product Line
Speed-Pro Competition Series Main Bearings
Product Attributes - UPC
724956135608
Product Attributes - Bearing Usage
Performance
Product Attributes - Engine Crankshaft Undersize (in.)
0.030 in.
Product Attributes - Engine Crankshaft Undersize (mm)
0.75mm
Product Attributes - Grooved Bearing
Yes
Product Attributes - Groove Location
Upper and lower
Product Attributes - Groove Style
1/2
Product Attributes - Thrust Bearing Oversize
Stock
Product Attributes - Bearing Material
Tri-metal copper-lead alloy
Product Attributes - Quantity
Sold as a set.

Reference Information

Brand Name/s Sealed Power
StreetFX SKU slp4664M30
SFX Item ID 5028757
Supplier Item Code 5028757
Manufacturer SKU 4664M30
Manufacturer UPC 724956135608
Alternative References SEA4664M30

Compatibility

Application Data
  • MakeBUICK
    ModelCENTURION
    SubmodelBASE
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
  • MakeBUICK
    ModelCENTURION
    SubmodelBASE
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
  • MakeBUICK
    ModelCENTURION
    SubmodelBASE
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
  • MakeBUICK
    ModelCENTURION
    SubmodelBASE
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeU
  • MakeBUICK
    ModelCENTURION
    SubmodelBASE
    Beginning Year1972
    Ending Year1973
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeT
  • MakeBUICK
    ModelCENTURION
    SubmodelBASE
    Beginning Year1972
    Ending Year1973
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeV
  • MakeBUICK
    ModelCENTURION
    SubmodelBASE
    Beginning Year1972
    Ending Year1973
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeW
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeT
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeU
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeV
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeW
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeP
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeR
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeT
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeU
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeV
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeW
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeP
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
    Engine VIN CodeR
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter7.0
    CID430
    CC7047
    Engine FamilyBuick V8
    Engine Size7.0L/430
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter7.0
    CID430
    CC7047
    Engine FamilyBuick V8
    Engine Size7.0L/430
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1970
    Ending Year1970
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Liter7.5
    CID455
    CC7456
    Engine FamilyBuick V8
    Engine Size7.5L/455

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