Crossmember Adapter Bracket; Fits w/1966-1970 Mopar B-Body Gen III Hemi Swap NAG1 or 8HP70 Transmision;
The Hooker Blackheart transmission crossmember hoop is part of the most comprehensive line of Gen III Hemi swap components available for the Mopar B-Body. The BHS539 Crossmember Hoop allows the installation of the popular, NAG1 5-speed or 8HP70 8-speed automatic transmission when used with the corresponding adaptor plate (sold separately). The BHS539 Transmission Crossmember Hoop replaces the very narrow factory Hoop on the original B-Body upper transmission crossmember allowing adequate clearance for drive shaft couplers and Speed sensor tone rings. The BHS539 transmission Crossmember Hoop is specifically designed to replace the factory hoop and when used in combination with the BHS532 transmission crossmember will provide a bolt in clearance solution with OEM strength and durability with no need for any fabrication or welding.
  • Uses The OEM Mounting Holes
  • Provides The Necessary Clearance
  • No Cutting Of The Transmission Tunnel Required
  • Accommodates Popular NAG1 Or 8HP70 Transmission
  • Black Coated For Great Looks And Durability
  • Heavy Duty 3/16 in. Steel Construction For Strength/Durability
  • Includes Hardware And Instructions

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.