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Hooker Blackheart Transmission Adapter Plates BHS574 Adapter, Mopar A-Body, Gen III Hemi, NAG1 Swap, Steel, Each

SKU: HOKBHS574

Transmission Mounts

Hooker Blackheart Transmission Adapter Plates BHS574 Adapter, Mopar A-Body, Gen III Hemi, NAG1 Swap, Steel, Each

SKU: HOKBHS574

Transmission Mounts
A$265.43
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

Hooker Blackheart transmission adapter plates are one of the most comprehensive engine swap components available. The adapter plates bolt directly to the OEM transmission mount location with the supplied hardware, and helps to eliminate the daunting task of figuring out correct drive line inclination and U-Joint operation angles. These transmission adapter plates are engineered to work together with Hooker Blackheart transmission crossmembers, engine mounting brackets, long tube headers, and exhaust systems (all sold separately) to provide an easy trouble-free Gen III Hemi engine swap in the B-Body Mopar Platform.

Blackheart transmission adapter plate features:

* Heavy-duty steel construction
* Black powdercoated finish for lasting performance and good looks
* Compact design allows better clearance then OEM crossmember
* Easy bolt-on installation with included hardware

Part Type

Transmission Mounts

Data: v4.2 - Upd: 2026-09-29 03:34:44

Specifications

Product Attributes - Brand
Hooker Headers
Product Attributes - Manufacturer's Part Number
BHS574
Product Attributes - Part Type
Transmission Mounts
Product Attributes - Product Line
Hooker Blackheart Transmission Adapter Plates
Product Attributes - UPC
090127119525
Product Attributes - Bracket Included
Yes
Product Attributes - Bracket Material
Steel
Product Attributes - Bracket Color
Black
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Designed for use in 1973-1976 A-body Mopars with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.

Reference Information

Brand Name/s Hooker Headers
StreetFX SKU hokBHS574
SFX Item ID 5013290
Supplier Item Code 5013290
Manufacturer SKU BHS574
Manufacturer UPC 90127119525
Alternative References HKRBHS574, NAG1

Compatibility

Application Data
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBROUGHAM
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine Size6.4L/392
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBROUGHAM
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine Size5.7L/345
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBROUGHAM
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine Size6.1L/372
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBROUGHAM
    Beginning Year1974
    Ending Year1975
    Engine TypeV8
    Engine Size6.2L/378
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBROUGHAM
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine Size6.4L/392
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBROUGHAM
    Beginning Year1974
    Ending Year1975
    Engine TypeV8
    Engine Size5.7L/345
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelCUSTOM
    Beginning Year1974
    Ending Year1975
    Engine TypeV8
    Engine Size6.1L/372
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelCUSTOM
    Beginning Year1974
    Ending Year1975
    Engine TypeV8
    Engine Size6.2L/378
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelCUSTOM
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine Size6.4L/392
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelCUSTOM
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine Size5.7L/345
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelSCAMP
    Beginning Year1975
    Ending Year1973
    Engine TypeV8
    Engine Size6.1L/372
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelSCAMP
    Beginning Year1975
    Ending Year1973
    Engine TypeV8
    Engine Size6.2L/378
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelSCAMP
    Beginning Year1975
    Ending Year1973
    Engine TypeV8
    Engine Size6.4L/392
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelSCAMP
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine Size5.7L/345
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelSPORT
    Beginning Year1973
    Ending Year1975
    Engine TypeV8
    Engine Size6.1L/372
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelSPORT
    Beginning Year1973
    Ending Year1973
    Engine TypeV8
    Engine Size6.2L/378
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBASE
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine Size6.4L/392
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
    Engine FamilyMopar small block LA
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBASE
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine Size5.7L/345
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBASE
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine Size6.1L/372
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBASE
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine Size6.2L/378
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBASE
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine Size6.4L/392
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBASE
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine Size5.7L/345
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBASE
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine Size6.1L/372
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBROUGHAM
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine Size6.2L/378
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.
  • MakePLYMOUTH
    ModelVALIANT
    SubmodelBROUGHAM
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine Size6.4L/392
    DrivetrainRWD
    Transmission MakeMopar
    Transmission Manufacturer CodeNAG1
    TransmissionAutomatic
    Application NotesDesigned for use with Gen III Hemi engine swap and NAG1 transmission. Use with crossmember BHS572.

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