Hooker Blackheart 71222017HKR Transmission Crossmember

Compatible with 1967-69 Camaro (DSE) LT SWAP Transmission Crossmember T56 Magnum

PART# 71222017HKR

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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 in. 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 Tremecâ„¢ 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

Product Attributes

BrandHooker Blackheart
Emission Code5
Manufacturer Part Number71222017HKR
Product TypeTransmission Crossmembers
Part Number71222017HKR



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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