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Trans-Dapt Performance Crossmembers 6421 Transmission Crossmember, Steel, Black, Chevy, GMC, Kit

Trans-Dapt Performance Crossmembers 6421 Transmission Crossmember, Steel, Black, Chevy, GMC, Kit

A$431.40
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

Trans-Dapt Performance crossmembers eliminate the need to fabricate a rear crossmember. Their vehicle-specific transmission crossmembers are available as kits, with braces and mounting pads, or as the crossmember alone. Position your engine and transmission properly and exactly where you need them with quality, durable crossmembers from Trans-Dapt.

Part Type

Transmission Crossmembers

Data: v4.2 - Upd: 2026-09-30 16:46:56

Specifications

Product Attributes - Brand
Trans-Dapt Performance Products
Product Attributes - Manufacturer's Part Number
6421
Product Attributes - Part Type
Transmission Crossmembers
Product Attributes - Product Line
Trans-Dapt Performance Crossmembers
Product Attributes - UPC
086923064213
Product Attributes - Transmission Crossmember to Frame Bushing Included
No
Product Attributes - Transmission Mount Included
Yes
Product Attributes - Crossmember Material
Steel
Product Attributes - Crossmember Color
Black painted
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Designed to fit applications with an LS engine swap.

Reference Information

Brand Name/s Trans-dapt Performance Products
StreetFX SKU trd6421
SFX Item ID 5017883
Supplier Item Code 5017883
Manufacturer SKU 6421
Manufacturer UPC 86923064213

Compatibility

Application Data
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code4L60-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code4L65-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code4L70-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code4L80-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code4L85-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code6L80-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code6L90-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCHEYENNE
    Beginning Year1975
    Ending Year1981
    DrivetrainRWD
    Transmission Manufacturer Code4L60-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCHEYENNE
    Beginning Year1975
    Ending Year1981
    DrivetrainRWD
    Transmission Manufacturer Code4L65-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCHEYENNE
    Beginning Year1975
    Ending Year1981
    DrivetrainRWD
    Transmission Manufacturer Code4L70-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCHEYENNE
    Beginning Year1975
    Ending Year1981
    DrivetrainRWD
    Transmission Manufacturer Code4L80-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCHEYENNE
    Beginning Year1975
    Ending Year1981
    DrivetrainRWD
    Transmission Manufacturer Code4L85-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCHEYENNE
    Beginning Year1975
    Ending Year1981
    DrivetrainRWD
    Transmission Manufacturer Code6L80-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCHEYENNE
    Beginning Year1975
    Ending Year1981
    DrivetrainRWD
    Transmission Manufacturer Code6L90-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM
    Beginning Year1981
    Ending Year1986
    DrivetrainRWD
    Transmission Manufacturer Code4L60-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM
    Beginning Year1981
    Ending Year1986
    DrivetrainRWD
    Transmission Manufacturer Code4L65-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM
    Beginning Year1981
    Ending Year1986
    DrivetrainRWD
    Transmission Manufacturer Code4L70-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM
    Beginning Year1981
    Ending Year1986
    DrivetrainRWD
    Transmission Manufacturer Code4L80-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM
    Beginning Year1981
    Ending Year1986
    DrivetrainRWD
    Transmission Manufacturer Code4L85-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM
    Beginning Year1981
    Ending Year1986
    DrivetrainRWD
    Transmission Manufacturer Code6L80-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM
    Beginning Year1981
    Ending Year1986
    DrivetrainRWD
    Transmission Manufacturer Code6L90-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM DELUXE
    Beginning Year1975
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code4L60-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM DELUXE
    Beginning Year1975
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code4L65-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM DELUXE
    Beginning Year1975
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code4L70-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.
  • UniversalNo
    MakeCHEVROLET
    ModelC10
    SubmodelCUSTOM DELUXE
    Beginning Year1975
    Ending Year1980
    DrivetrainRWD
    Transmission Manufacturer Code4L80-E
    TransmissionAutomatic
    Application NotesDesigned to fit applications with an LS engine swap.

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