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Modernize Your Classic GM Muscle with Edelbrock's LS-Series Engine
Conversion Kit for GM A-body Applications

TORRANCE, CA - Ever thought about outfitting your classic Chevelle with the modern muscle of GM LS-Series power? If so, Edelbrock is making this conversion a clean and simple reality with their new LS1 conversion kit #6754 for 1968-72 GM A-body vehicles.

Engineered to install an LS1 take out or crate motor into 1968-72 GM A-body applications, the #6754 conversion kit includes motor-mount conversion adapters, full-length headers and header-back exhaust system with x-pipe. The motor-mounts are manufactured from 1/2" steel and zinc coated for protection; grade 8 hardware is also included. The long-tube headers are manufactured of 409 stainless steel and feature primary tubes that are 1-3/4 stepped to 1-7/8; the collector is designed with a 2-bolt donut gasket flange for OE quality seal. The true dual header-back exhaust is manufactured of mandrel bent 409 stainless steel for unrestricted flow and includes an x-pipe. Two Edelbrock SDT 2.5" mufflers and two 3" polished 304 stainless steel tips finish off this system, yielding sound, style and performance.

Although the #6754 is sold as a complete motor mount, header and exhaust system package, individual components are also sold separately.

Application Part #
LS1 Complete conversion kit for 1968-72 GM A-body vehicles 6754
LS1 motor-mount adapter kit for 1968-72 GM A-body vehicles 6701
LS1 conversion headers (1-3/4 stepped to 1-7/8) for GM A-body vehicles 65073
LS1 header-back dual exhaust with x-pipe and 304 stainless 3" tips 5774

    Features Include:
  • 1/2"-thick zinc coated motor-mount adapter plates
  • 409 stainless steel full length headers, 1-3/4" stepped to 1-7/8"
  • True-dual 409 stainless steel mandrel bent exhaust, 2-1/2"
  • X-pipe for equalized and balanced flow
  • Edelbrock patented SDT mufflers, Ti-TECH coated for durability
  • 3" polished 304 stainless tips
  • Available as a complete kit #6754 (or) purchase motor-mounts, headers and exhaust separately

    For more information visit or call (800) 416-8628


    Founded in 1938, Torrance-based Edelbrock, LLC is recognized as one of the nation's premier designers, manufacturers and distributors of performance replacement parts for the automotive and motorcycle after markets. For more information please visit us at

    Edelbrock, LLC opened its first green sand foundry in 1990 in order to fully control the quality of the castings. A brand new robotically-controlled permanent mold facility was opened in 2007. The Edelbrock Foundries are ISO 9001 registered, delivering modern production solutions for aluminum casting and Made in the USA quality.

Edelbrock, LLC. .:. 2700 California St. Torrance CA. 90503