Hooker BlackHeart LS Swap Engine Adapter Plates

1996-2004 Mustang LS Swap Engine Adapter Plates

PART# 71221011HKR

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Hooker BlackHeart has quickly become the leader in LS engine swaps and we are excited to announce new products for 96-04 Ford Mustangs with GM LS engines. The new Hooker BlackHeart LS Swap Engine Adapter Plates are designed to be used with Hooker BlackHeart Transmission Crossmembers (P/N 71222012HKR or 71222013HKR) for a trouble free install on 1996-1998 Mustangs. 1999-2004 Mustangs currently require a custom transmission crossmember.


  • Comprehensively designed as an integral part of the complete Hooker LS engine swap system for 1996-2004 Ford Mustangs; provides maximized level of inter-component compatibility
  • Designed specifically for use on 1996-2004 factory stock Mustang engine K-members (not intended for use with any aftermarket engine K-members)
  • Designed for use with commonly available stock rubber, or aftermarket Prothane™ polyurethane engine mounts for Ford Mustang 4.6L mod-motor engines for easy, long-term serviceability
  • Design geometry replicates stock 4.6L Mod-Motor crankshaft height/offset for optimized vehicle and component compatibility
  • High strength/low allow steel construction provides desirable balance of strength, stiffness, weight and cost
  • Zinc plated finish provides attractive corrosion-resistant appearance
  • Provides bolt-in compatibility with Hooker/Holley LS swap transmission crossmembers, headers, exhaust systems and oil pans for SN95 Mustangs
  • All hardware included
  • Manufacturer’s limited lifetime warranty


Application1994-2004 Ford Mustang
BrandHooker BlackHeart
Emission Code5
Motor TypeGM LS
Product TypeEngine Mounts
Type of ComponentAdapter
Part Number71221011HKR



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.

Tech Resources

Designed to be used with Hooker BlackHeart Transmission Crossmembers (P/N 71222012HKR or 71222013HKR) for a trouble free install.


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