Hooker Blackheart has quickly become the leader in LS engine swaps and we are excited to offer this adapter bracket, which provides for installation of a 4L80/4L85 transmission in multiple applications using Hooker Blackheart transmission crossmembers. This adapter is validated for use with the Hooker Blackheart 12616HKR crossmember for 1970-1981 GM F-bodies, the 71222016HKR crossmember for 1979-1993 Ford Mustangs and the 71222013HKR crossmember for 1994-2004 Ford Mustangs.

Features:
  • Comprehensively designed as an integral part of specific Hooker Blackheart LS engine swap systems
  • Provides for bolt-in compatibility with Hooker Blackheart/Holley LS engine mounting brackets, headers, exhaust systems and oil pans
  • Designed specifically for use with Hooker Blackheart transmission crossmembers and engine mounting brackets
  • Power coated steel construction provides an attractive high-strength transmission mounting solution
  • Manufacturer’s limited lifetime warranty