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King SI-Series Main Bearings MB5650SI 040 Bearing, SI-Series, Silicon Aluminum, 0.040 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

SKU: KINGMB5650SI_040

Main Bearings

King SI-Series Main Bearings MB5650SI 040 Bearing, SI-Series, Silicon Aluminum, 0.040 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

SKU: KINGMB5650SI_040

Main Bearings
A$198.47
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

King SI-Series main bearings are recommended for OE applications. These replacement bearings are designed for aftermarket gasoline or diesel engine rebuilding—and performance engines with factory crankshafts. The bearings have an improved crankshaft finish for reducing microscopic ferrite peaks on improperly ground or polished nodular cast iron crankshafts. King SI-Series main bearings feature improved oil clearance to reduce wear and increase engine life, which in turn reduces operating noise, vibration, and excess oil flow. Order the bearing set designed for fitment on your make and model.

Part Type

Main Bearings

Data: v4.2 - Upd: 2026-10-14 10:41:06

Specifications

Product Attributes - Brand
King Engine Bearings
Product Attributes - Manufacturer's Part Number
MB5650SI 040
Product Attributes - Part Type
Main Bearings
Product Attributes - Product Line
King SI-Series Main Bearings
Product Attributes - UPC
611500525780
Product Attributes - Bearing Usage
Direct replacement
Product Attributes - Engine Crankshaft Undersize (in.)
0.040 in.
Product Attributes - Engine Crankshaft Undersize (mm)
1.00mm
Product Attributes - Grooved Bearing
Yes
Product Attributes - Groove Location
Upper
Product Attributes - Groove Style
1/2
Product Attributes - Thrust Bearing Oversize
Maximum
Product Attributes - Bearing Material
Bi-metal, silicon aluminum
Product Attributes - Quantity
Sold as a set of 5.

Reference Information

Brand Name/s King Engine Bearings
StreetFX SKU kingMB5650SI_040
SFX Item ID 4860718
Supplier Item Code 4860718
Manufacturer SKU MB5650SI 040
Manufacturer UPC 611500525780
Alternative References KGB-MB5650SI040, MB5650SI

Compatibility

Application Data
  • MakeMERCURY
    Beginning Year1972
    Ending Year1974
    Engine TypeV8
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    ModelMARQUIS
    SubmodelCOBRA
    Liter7.0
    CID429
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeC
    CC7539
  • MakeMERCURY
    Beginning Year1973
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.0L/429
    ModelMARQUIS
    SubmodelXR-7
    Liter7.0
    CID429
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeN
    CC7030
  • MakeMERCURY
    ModelMARQUIS
    SubmodelXR-7
    Beginning Year1975
    Ending Year1978
    Engine TypeV8
    Liter7.5
    CID460
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeA
    CC7539
  • MakeMERCURY
    ModelMARQUIS
    SubmodelXR-7
    Beginning Year1976
    Ending Year1971
    Engine TypeV8
    Liter7.5
    CID460
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeC
    CC7539
  • MakeMERCURY
    ModelMARQUIS
    SubmodelXR-7
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Liter7.5
    CID460
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeN
    CC7539
  • MakeMERCURY
    ModelMARQUIS
    SubmodelBROUGHAM
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter7.5
    CID460
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    CC7030
    Engine VIN CodeK
  • MakeMERCURY
    ModelMARQUIS
    SubmodelBROUGHAM
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter7.5
    CID460
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeC
    CC7030
  • MakeMERCURY
    ModelMARQUIS
    SubmodelBROUGHAM
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Liter7.5
    CID460
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeK
    CC7030
  • MakeMERCURY
    ModelMARQUIS
    SubmodelSUPER COBRA JET
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Liter7.5
    CID460
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeC
    CC7539
  • MakeMERCURY
    ModelMARQUIS
    SubmodelGT
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter7.5
    CID460
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeP
    CC7539
  • MakeMERCURY
    ModelMARQUIS
    SubmodelGT
    Beginning Year1972
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID460
    CC7539
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeN
  • MakeMERCURY
    ModelMARQUIS
    SubmodelGT
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID460
    CC7539
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeC
  • MakeMERCURY
    ModelMARQUIS
    SubmodelSPOILER
    Beginning Year1973
    Ending Year1978
    Engine TypeV8
    Liter7.5
    CID460
    CC7539
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeC
  • MakeMERCURY
    ModelMARQUIS
    SubmodelCOLONY PARK
    Beginning Year1975
    Ending Year1976
    Engine TypeV8
    Liter7.0
    CID429
    CC7030
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.0L/429
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeN
  • MakeMERCURY
    ModelMONTEGO
    SubmodelSPOILER
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Liter7.0
    CID429
    CC7030
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.0L/429
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeN
  • MakeMERCURY
    ModelMONTEGO
    SubmodelGT
    Beginning Year1970
    Ending Year1978
    Engine TypeV8
    Liter7.5
    CID460
    CC7030
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeR
  • MakeMERCURY
    ModelMONTEGO
    SubmodelGT
    Beginning Year1977
    Ending Year1970
    Engine TypeV8
    Liter7.5
    CID460
    CC7539
    Engine FamilyFORD BIG BLOCK 385 SERIES LPG
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeK
  • MakeMERCURY
    ModelMONTEGO
    SubmodelGT
    Beginning Year1969
    Ending Year1970
    Engine TypeV8
    Liter7.5
    CID460
    CC7539
    Engine FamilyFord big block 385 Series
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeN
  • MakeMERCURY
    ModelMONTEGO
    SubmodelX-100
    Beginning Year1969
    Ending Year1970
    Engine TypeV8
    Liter7.0
    CID429
    CC7030
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.0L/429
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeK
  • MakeMERCURY
    ModelMONTEGO
    SubmodelX-100
    Beginning Year1976
    Ending Year1970
    Engine TypeV8
    Liter7.0
    CID429
    CC7030
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.0L/429
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeN
  • MakeMERCURY
    ModelMONTEGO
    SubmodelBROUGHAM
    Beginning Year1972
    Ending Year1975
    Engine TypeV8
    Liter7.5
    CID460
    CC7539
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeC
  • MakeMERCURY
    ModelMONTEGO
    SubmodelGT
    Beginning Year1972
    Ending Year1969
    Engine TypeV8
    Liter7.5
    CID460
    CC7539
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeC
  • MakeMERCURY
    ModelMONTEGO
    SubmodelGT
    Beginning Year1973
    Ending Year1971
    Engine TypeV8
    Liter7.5
    CID460
    CC7539
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.5L/460
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeK
  • MakeMERCURY
    ModelMONTEGO
    SubmodelGT
    Beginning Year1969
    Ending Year1973
    Engine TypeV8
    Liter7.0
    CID429
    CC7030
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.0L/429
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeC
  • MakeMERCURY
    ModelMONTEGO
    SubmodelMX
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter7.0
    CID429
    CC7030
    Engine FamilyFORD COBRA JET/SUPER CJ V8 GAS
    Engine Size7.0L/429
    Application Notesbimetal (aluminum silicon base) Crankshaft Undersize-040in Flange STD+001in
    Engine VIN CodeP

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