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Hooker Blackheart Transmission Crossmembers 71222021HKR Crossmember, LS Engine Swap, Steel, Black Powdercoated, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

SKU: HOK71222021HKR

Transmission Crossmembers

Hooker Blackheart Transmission Crossmembers 71222021HKR Crossmember, LS Engine Swap, Steel, Black Powdercoated, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

SKU: HOK71222021HKR

Transmission Crossmembers
A$1,494.82
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

Hooker Blackheart transmission crossmembers provide easy installation for a variety of engine and transmission swap combinations. Manufactured from steel with a black powdercoat, these crossmembers are designed to be used with Blackheart engine adapter plates for a trouble-free LS, LT, Hemi, Coyote, etc. engine swap. Order the model recommended for your vehicle.

Blackheart crossmember features:

* Comprehensively designed as an integral part of the complete Hooker swap system, providing maximum level of inter-component compatibility
* Designed specifically for use with Hooker engine adapter plates
* High-arch exhaust passages provide maximum available exhaust ground clearance
* Design geometry replicates stock drivetrain height, inclination angle, and offset for optimized vehicle and component compatibility
* High-strength/low alloy steel construction provides desirable balance of strength, stiffness, weight, and cost
* Powdercoat finish provides attractive, corrosion-resistant appearance
* Provide bolt-in compatibility with Hooker/Holley engine mounts, swap headers, exhaust systems, and oil pans
* Hardware included

Part Type

Transmission Crossmembers

Data: v4.2 - Upd: 2026-10-14 09:30:21

Specifications

Product Attributes - Brand
Hooker Headers
Product Attributes - Manufacturer's Part Number
71222021HKR
Product Attributes - Part Type
Transmission Crossmembers
Product Attributes - Product Line
Hooker Blackheart Transmission Crossmembers
Product Attributes - UPC
090127027905
Product Attributes - Transmission Crossmember to Frame Bushing Included
No
Product Attributes - Transmission Mount Included
No
Product Attributes - Amount of Drop
None
Product Attributes - Crossmember Material
Steel
Product Attributes - Crossmember Color
Black powdercoated
Product Attributes - Quantity
Sold individually.
Product Attributes - Special Attention
Only fits convertible and El Camino models. Adapter required for 4L60/4L60E, TH400, or 200-4R transmissions.

Reference Information

Brand Name/s Hooker Headers
StreetFX SKU hok71222021HKR
SFX Item ID 5013083
Supplier Item Code 5013083
Manufacturer SKU 71222021HKR
Manufacturer UPC 90127027905
Alternative References HKR71222021HKR

Compatibility

Application Data
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1972
    Ending Year1968
    DrivetrainRWD
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 4L60 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1971
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeTHM200-4R
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 200-4R transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1971
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeTHM400
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for TH400 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1971
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    TransmissionAutomatic
    Application NotesFits convertible models only. Adapter required for 4L60 transmission.
  • UniversalNo
    MakePONTIAC
    ModelLEMANS
    SubmodelT37
    Beginning Year1972
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeT-56
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 4L60 transmission.
  • UniversalNo
    MakePONTIAC
    ModelLEMANS
    SubmodelT37
    Beginning Year1972
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeTHM200-4R
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 200-4R transmission.
  • UniversalNo
    MakePONTIAC
    ModelLEMANS
    SubmodelT37
    Beginning Year1972
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeTHM400
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for TH400 transmission.
  • UniversalNo
    MakePONTIAC
    ModelLEMANS
    SubmodelT37
    Beginning Year1971
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    TransmissionAutomatic
    Application NotesFits convertible models only. Adapter required for 4L60 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelLUXURY
    Beginning Year1972
    Ending Year1970
    DrivetrainRWD
    Transmission Manufacturer Code4L60-E
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 4L60E transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelLUXURY
    Beginning Year1972
    Ending Year1970
    DrivetrainRWD
    Transmission Manufacturer Code4L80-E
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 200-4R transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelLUXURY
    Beginning Year1972
    Ending Year1968
    DrivetrainRWD
    Transmission Manufacturer Code4L85-E
    TransmissionAutomatic
    Application NotesFits convertible models only. Adapter required for TH400 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelLUXURY
    Beginning Year1972
    Ending Year1968
    DrivetrainRWD
    Transmission Manufacturer CodeT-56
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 4L60 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1969
    Ending Year1968
    DrivetrainRWD
    Transmission Manufacturer CodeTHM200-4R
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 200-4R transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1969
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeTHM400
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for TH400 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1969
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    TransmissionAutomatic
    Application NotesFits convertible models only. Adapter required for 4L60 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelCUSTOM
    Beginning Year1969
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer Code4L60-E
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 4L60E transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelCUSTOM
    Beginning Year1969
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer Code4L80-E
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 200-4R transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelCUSTOM
    Beginning Year1969
    Ending Year1970
    DrivetrainRWD
    Transmission Manufacturer Code4L85-E
    TransmissionAutomatic
    Application NotesFits convertible models only. Adapter required for TH400 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelCUSTOM
    Beginning Year1969
    Ending Year1970
    DrivetrainRWD
    Transmission Manufacturer CodeT-56
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 4L60 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelCUSTOM
    Beginning Year1971
    Ending Year1971
    DrivetrainRWD
    Transmission Manufacturer CodeTHM200-4R
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 200-4R transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelCUSTOM
    Beginning Year1968
    Ending Year1969
    DrivetrainRWD
    Transmission Manufacturer CodeTHM400
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for TH400 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelCUSTOM
    Beginning Year1968
    Ending Year1969
    DrivetrainRWD
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    TransmissionAutomatic
    Application NotesFits convertible models only. Adapter required for 4L60 transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1968
    Ending Year1969
    DrivetrainRWD
    Transmission Manufacturer Code4L60-E
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 4L60E transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1968
    Ending Year1969
    DrivetrainRWD
    Transmission Manufacturer CodeTHM200-4R
    TransmissionManual
    Application NotesFits convertible models only. Adapter required for 200-4R transmission.
  • UniversalNo
    MakePONTIAC
    ModelTEMPEST
    SubmodelSAFARI
    Beginning Year1972
    Ending Year1969
    DrivetrainRWD
    Transmission Manufacturer CodeTHM400
    TransmissionAutomatic
    Application NotesFits convertible models only. Adapter required for TH400 transmission.

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