Hooker Blackheart

Hooker Blackheart BHS578 Transmission Crossmember Hoop

Compatible with 1973-1976 Mopar® A-Body Gen III Hemi Swap with NAG1 Transmission and Crossmember BHS572

Part # BHS578 Be the first to write a review
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$170.06
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$210.00
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6

Emissions

Vehicle emissions regulations are not applicable to this item.

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The Hooker Blackheart transmission crossmember hoop is part of the most comprehensive line of Gen III Hemi swap components available for the Mopar® A-Body. The Crossmember Hoop allows the installation of the popular, NAG1 5-speed automatic transmission when used with the corresponding adaptor plate (sold separately). The Transmission Crossmember Hoop replaces the very narrow factory Hoop on the original A-Body upper transmission crossmember allowing adequate clearance for drive shaft coupler and speed sensor tone rings. The Transmission Crossmember Hoop is specifically designed to replace the factory hoop and when used in combination with the BHS572 transmission crossmember will provide a bolt in clearance solution with original strength and durability with no need for any fabrication or welding.

Features:

  • Engineered Transmission Mount System Works together with Hooker Blackheart Engine Mounting Brackets, Transmission Crossmember, Headers, and Exhaust Systems for an Easy Trouble Free Gen III Hemi Engine Swap in the 1973-1976 Mopar A-Body
  • Provides the Necessary Clearance Through the Upper Transmission Crossmember for the Drive Shaft Coupler and Speed Sensor Ring when Installing the NAG1 Transmission
  • 1/2” Steel Upper Hoop Provides the Necessary Structural Integrity When Used in Combination with the BHS572 transmission Crossmember (no Welding Required)
  • No Cutting of the Transmission Tunnel Required
  • Accommodates Popular NAG1 Transmission (Requires Transmission Specific Adaptor plate)
  • Uses the Factory Mounting Holes – For Easy Installation
  • Black Coated for Great Looks and Durability
  • Heavy Duty 3/16” and 1/2” Steel Construction for Strength and Durability
  • Includes Mounting Bolts & Instructions
Brand Hooker Blackheart
ColorBlack
Emission Code6
MaterialSteel
Product TypeTransmission Crossmember Hoops
UPC090127119532
Manufacturer Part NumberBHS578
Part NumberBHS578
6

Vehicle emissions regulations are not applicable to this item.
Requires the use of BHS572 Transmission Crossmember (available separately) to maintain proper structural integrity of the vehicle. Use with Transmission Adapter BHS574 (available separately). INSTALL NOTES: Requires torsion bar crossmember center hoop be removed for drive shaft coupler clearance. Hooker Blackheart Bolt-in Torsion Bar Crossmember Hoop PN BHS578 is recommended to replace lost structural integrity. Some transmission tunnel massaging will be required for upper case clearance and around shift linkage. Trimming of the pinch weld at the transmission tunnel /firewall intersection will be required. Minor trimming of unused, nonstructural casting flash and tabs will be required to the transmission case. Output flange adapter (Sonnax PN T35-GMFD-01) and custom telescopic drive shaft are required. Floor shifter required - Use B&M PN 81188 or 2010-14 Charger/Challenger Shifter MOPAR PN 4578584AD (Shifter only).
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