Hooker BlackHeart Transmission Crossmember

1967-1969 Camaro (DSE) LT SWAP Transmission Crossmember T56 Magnum

Part # 71222017HKR Be the first to write a review
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Vehicle emissions regulations are not applicable to this item.

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This crossmember is designed as part of a fully-engineered fifth generation LT Engine swap mounting system for GM 1st-gen Camaro using Detroit Speed and Engineering front Subframe and suspension components. It has been CAD designed and FEA validated to provide excellent structural strength and stiffness from its high-strength low-alloy steel construction. As a further benefit to the user, a maximized ground clearance pathway for routing up to 3" exhaust system tubing is included as a main design feature. The design geometry of this crossmember provides direct installation of a Tremec™ aftermarket T56 Magnum manual transmission into your vehicle


  • Engineered to provide the proper driveline inclination angle with the DSE (Detroit Speed, Inc.) subframe
  • Provides direct installation of a Tremec™ T56 Magnum manual transmission into your vehicle.
  • Notched to provide superior ground clearance for up to 3” exhaust
  • Designed to simplify fifth gen LT1 or LT4 engine swaps in 67-69 1st Gen Camaro using the DSE (Detroit Speed, Inc.) front Subframe
  • Uses GM OEM or popular aftermarket transmission mount
  • Easy installation with no fabrication necessary
  • Powder coated finish for lasting good looks
  • 100% quality hand-welded construction for strength, longevity and good looks
  • All hardware included
  • Manufacturer’s limited lifetime warranty

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.

Application67-69 Camaro/Firebird LT Swap
Brand Hooker BlackHeart
Emission Code6
EngineGM Small Block Gen V (LT Based)
FinishBlack Powdercoated
Motor TypeGM LT
Product TypeTransmission Crossmember
SubframeDetroit Speed
TransmissionT56 GM
T56 Magnum GM
Transmission TypeT56 Magnum
Type of ComponentTransmission Crossmember
Part Number71222017HKR

Vehicle emissions regulations are not applicable to this item.

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