Hooker Blackheart Transmission Crossmember

1970-1974 Dodge Challenger and Plymouth Barracuda Transmission Crossmember for Gen III Hemi Swap

Part # BHS567
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Vehicle emissions regulations are not applicable to this item.

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Hooker BlackHeart transmission crossmember is part of the most comprehensive line of GEN-3 Hemi Swap components available for the Mopar E-Body. This Crossmember allows the installation of the popular A727 3-speed, NAG1 5-Speed, 8HP70/8HP90 8-speed automatic transmissions, or Tremec TKX (GM style) manual transmission when used with the corresponding adapter plate (sold separately). No cutting or drilling is necessary; just bolt it in the factory location using the supplied hardware. The modular design allows the use of several different transmission options without the need to buy or fabricate a different Crossmember - simply change to a different adapter plate and the driveline and u-joint alignment have been preset to the corresponding transmission. BHS567 Crossmember is designed to use a popular and inexpensive GM style transmission mount for its compact design that allows for better ground clearance than the factory crossmember (Hooker part number 71223029HKR or 71223030HKR - sold separately). Solid 3/16" steel construction and black powder coated finish provides long lasting performance and good looks.


  • Accommodates Popular A727, NAG1 , 8HP70, 8HP90, or Tremec TKX (GM Style) Transmissions (Requires Transmission Specific Adapter Plate)
  • Uses the Factory Mounting Holes - for Easy Installation
  • High Tuck Design to Maximize Ground Clearance
  • Accommodates Up to 3” Exhaust
  • Uses GM Style Transmission Mount - Hooker Part# 71223029HKR or 71223030HKR (Sold Separately)
  • Modular Design with Bolt-on Transmission Adapter Allows Future Transmission Swaps w/o Replacing the Crossmember
  • Welded Steel Construction w/ Black coating for Great Looks and Durability
  • Heavy Duty 3/16” Steel Construction - for Strength & Durability
  • Includes Hardware & Instructions

About Hooker BlackHeart

The BlackHeart team utilizes the latest technology and materials to design exhaust systems, engine swap kits, and mufflers for both import and domestic cars and trucks. Hooker BlackHeart is platform-engineered to provide superb performance, aesthetics, and fitment.

Application1970-1974 Mopar E-Body
Brand Hooker BlackHeart
Emission Code6
FinishBlack Paint
Motor TypeChrysler Gen III Hemi
Product TypeTransmission Crossmember
TKX Chevy
Type of ComponentTransmission Crossmember
Part NumberBHS567

Vehicle emissions regulations are not applicable to this item.
Use with Engine Mounts BHS566 and Polyurethane Transmission Mount 71223029HKR (Black), or 71223030HKR (Red) This Crossmember Requires Transmission Specific Adapter Plate (sold Separately) BHS568 A727 Transmission Adapter. BHS569 NAG1 Transmission Adapter - Pinch Weld at Firewall Will Need to be Rolled & BHS570 8HP70 Transmission Adapter - Pinch Weld at Firewall Will Need to be Rolled. BHS591 8HP90 Transmission Adapter - Pinch Weld at Firewall Will Need to be Rolled & Hammer work to gain tunnel space. BHS592 Tremec TXK (GM Style) Transmission Adapter - Requires Some Transmission Tunnel Cutting. Use with Drivers Side Mounted Starter on NAG1, 8HP70, and 8HP90 transmissions - to Avoid Clearance Issues with the Factory Steering System.

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.