Hooker BlackHeart Transmission Crossmember

94-98 Mustang LS-swap Transmission Crossmember, TH400, 2004R, T56/Mag & 4L80

PART# 71222013HKR

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4L80 installation requires Transmission Adapter Bracket P/N 71223013HKR


Hooker BlackHeart has quickly become the leader in LS engine swaps and we are excited to announce new products for 94-98 Ford Mustangs with GM LS engines. The new Hooker BlackHeart LS Swap Transmission Crossmembers are designed to be used with Hooker BlackHeart Engine Adapter Plates (P/N 71221011HKR) for a trouble free install.


  • Comprehensively designed as an integral part of the complete Hooker LS engine swap system for Ford SN95(1994-98 only) Mustangs; provides maximized level of inter-component compatibility
  • Two distinct designs provide installation capabilities for installing a Powerglide*, TH350*, 2004R*, TH400*, 4L60-4L70*, 4L80/4L85*, 4th-gen F-body T56, T56 Magnum or TKO transmission* (*separate adapter required for installation)
  • Designed specifically for use with Hooker 71221011HKR engine adapter plates and the stock 1996-98 Mustang K-member
  • High-arch exhaust passages provide maximum available exhaust ground clearance
  • Design geometry replicates stock Ford drivetrain height, inclination angle and offset for optimized vehicle and component compatibility
  • High strength/low allow steel construction provides desirable balance of strength, stiffness, weight and cost
  • Powder coated finish provides attractive corrosion-resistant appearance
  • Provides bolt-in compatibility with Hooker/Holley LS engine mounts, swap headers, exhaust systems, and oil pans for SN95 Mustangs
  • Hardware included
  • Manufacturer’s limited lifetime warranty


Application94-98 Mustang LS Swap
BrandHooker BlackHeart
FinishBlack Powdercoated
Product TypeCrossmembers
Transmission TypeTH400, 2004R, T56/Mag & 4L80
Part Number71222013HKR

Tech Resources

4L80 installation requires Transmission Adapter Bracket P/N 71223013HKR
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        Some parts are not legal for use in California or other states with similar regulations.