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Hooker BlackHeart

Hooker BlackHeart Transmission Crossmember

1984-1992 GM F-Body LS Swap T56/T56 Magnum/4L60-4L70*/4L80-4L85*/TH400*/2004R* Transmission Crossmember

Part # 71222005HKR
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$385.95
Suggested Retail
$429.00
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This crossmember is designed as part of a fully-engineered LS swap mounting system for 1984-92 GM F-body vehicles. It has been CAD designed to provide an optimized balance of weight, stiffness and strength. This crossmember provides direct installation capability for 4th-gen F-body/GTO T56 and aftermarket Tremec T56 Magnum transmissions. Installation of a 4L60-4L70, 4L80/4L85, TH400 or 2004R automatic transmission can also be accomplished using this crossmember and the Hooker BlackHeart 12650HKR, 71223003HKR, or 71223004HKR adapter kits. LS Oil Pan 302-2 can be used with these mounts

Features:

  • Designed for use in LS Swap applications (Engine mounted with Hooker 71221003HKR brackets only) or to accomplish an LT1/LT4 T56 transmission swap behind a Gen 1 SBC engine
  • Plate steel construction - provides a durable transmission mounting solution
  • CAD designed- provides optimized strength, stiffness and weight
  • Built-in divorced, adjustable torque arm bracket- solves installation issues with using transmissions not factory installed in 4th-gen F-body vehicles
  • Dual-arch exhaust passages - provides highest exhaust ground clearance available
  • Semi-gloss black powder coat finish- provides attractive corrosion-resistant appearance
  • Transmission installations other than 4th-gen F-body T56/T56 Magnum require the use of the following adapter kit: 4L60-4L70 transmissions - 71223003HKR, 4L80/4L85 transmissions - 71223004HKR, TH400/2004R transmissions - 12650HKR
  • LS Oil Pan 302-2 can be used with these mounts

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.

Application1982-1992 Camaro / Firebird
GM LS Engines
Brand Hooker BlackHeart
ColorBlack
Emission Code5
Exhaust SeriesHooker BlackHeart
FinishBlack Powdercoated
MaterialSteel
Motor TypeGM LS/SBC
Product TypeCrossmember
Transmission200R4
4L60E
4L65E
4L70E
4L80E
4L85E
T56 GM
T56 Magnum GM
TH400
Transmission TypeT56/T56 Magnum
Type of ComponentCrossmember
UPC090127728086
Part Number71222005HKR
5

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.

*Installation requires the use of a separately available Hooker transmission adapter kit. Part # 71223003HKR for 4L60E/4L65E/4L70E Transmission Part # 71223004HKR for 4L80E/4L80E Transmission Part # 12650HKR for TH400/200R4 Transmission *NOT COMPATIBLE WITH TREMEC TR6060 TRANSMISSIONS.
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Some parts are not legal for use in California or other states with similar regulations.

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