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Speed-Pro Competition Series Main Bearings 127M Bearings, Series, Standard Size, Tri Metal, 3/4 Groove, Ford, L4, 2.3L, Set

SKU: SLP127M

Main Bearings

Speed-Pro Competition Series Main Bearings 127M Bearings, Series, Standard Size, Tri Metal, 3/4 Groove, Ford, L4, 2.3L, Set

SKU: SLP127M

Main Bearings
A$232.01
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

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 14:11:27

Specifications

Product Attributes - Brand
Sealed Power
Product Attributes - Manufacturer's Part Number
127M
Product Attributes - Part Type
Main Bearings
Product Attributes - Product Line
Speed-Pro Competition Series Main Bearings
Product Attributes - UPC
087674972253
Product Attributes - Bearing Usage
Performance
Product Attributes - Engine Crankshaft Undersize (in.)
Stock
Product Attributes - Engine Crankshaft Undersize (mm)
Stock
Product Attributes - Grooved Bearing
Yes
Product Attributes - Groove Location
Upper and lower
Product Attributes - Groove Style
3/4
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 slp127M
SFX Item ID 5028386
Supplier Item Code 5028386
Manufacturer SKU 127M
Manufacturer UPC 87674972253
Alternative References SEA127M, L4, 2.3L

Compatibility

Application Data
  • MakeFORD
    Beginning Year1977
    Ending Year1990
    Engine TypeL4
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
  • MakeFORD
    ModelAEROSTAR
    SubmodelBASE
    Beginning Year1986
    Ending Year1987
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelAEROSTAR
    SubmodelXL
    Beginning Year1986
    Ending Year1987
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelAEROSTAR
    SubmodelXLT
    Beginning Year1986
    Ending Year1987
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelCOURIER
    SubmodelBASE
    Beginning Year1977
    Ending Year1980
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeB
  • MakeFORD
    ModelCOURIER
    SubmodelBASE
    Beginning Year1981
    Ending Year1982
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN Code2
  • MakeFORD
    ModelCOURIER
    SubmodelXLT
    Beginning Year1979
    Ending Year1980
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeB
  • MakeFORD
    ModelCOURIER
    SubmodelXLT
    Beginning Year1981
    Ending Year1982
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN Code2
  • MakeFORD
    ModelFAIRMONT
    SubmodelBASE
    Beginning Year1978
    Ending Year1979
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeY
  • MakeFORD
    ModelFAIRMONT
    SubmodelBASE
    Beginning Year1980
    Ending Year1982
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelFAIRMONT
    SubmodelFUTURA
    Beginning Year1978
    Ending Year1979
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeY
  • MakeFORD
    ModelFAIRMONT
    SubmodelFUTURA
    Beginning Year1980
    Ending Year1983
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelFAIRMONT
    SubmodelS
    Beginning Year1981
    Ending Year1983
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelGRANADA
    SubmodelGL
    Beginning Year1981
    Ending Year1982
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelGRANADA
    SubmodelGLX
    Beginning Year1981
    Ending Year1982
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelGRANADA
    SubmodelL
    Beginning Year1981
    Ending Year1982
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelLTD
    SubmodelBASE
    Beginning Year1983
    Ending Year1985
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelLTD
    SubmodelBASE
    Beginning Year1986
    Ending Year1986
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelLTD
    SubmodelBROUGHAM
    Beginning Year1983
    Ending Year1985
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelLTD
    SubmodelBROUGHAM
    Beginning Year1986
    Ending Year1986
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1979
    Ending Year1979
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeY
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1980
    Ending Year1981
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1979
    Ending Year1979
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeY
  • MakeFORD
    ModelMUSTANG
    SubmodelGHIA
    Beginning Year1980
    Ending Year1981
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA
  • MakeFORD
    ModelMUSTANG
    SubmodelGL
    Beginning Year1982
    Ending Year1982
    Engine TypeL4
    Liter2.3
    CID140
    Engine FamilyFord 4-cylinder
    Engine Size2.3L/140
    Engine VIN CodeA

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