While officially rated at 375 hp for insurance reasons, the engines were known to produce closer to 500+ hp when properly tuned.
Kar-Kraft was subcontracted to hand-modify the front ends, relocating the shock towers and reinforcing the structure to fit the "semi-hemi" engine.
Unlike mass-produced Fords, Kar-Kraft vehicles were essentially hand-built . This resulted in high labor intensity and superior performance hardware, though some period reviewers noted they were "sledgehammers" rather than "ballerinas"—brutally honest and loud machines. KarKraft
A radical mid-engine Mustang prototype meant to challenge European sports cars. It featured a 289 Hi-Po V8 mounted behind the driver and a lightweight fiberglass body. Though it never reached production, it remains a "holy grail" for Ford historians. The "Kar-Kraft" Experience
Kar-Kraft was instrumental in the development and assembly of the GT40 Mk IV , the only version of the GT40 designed and built entirely in the United States. This car famously won Le Mans in 1967. While officially rated at 375 hp for insurance
This is Kar-Kraft’s most famous street-legal achievement. Ford needed to homologate its massive 429 cubic inch V8 for NASCAR, but the engine was too wide for the standard Mustang body.
The shop was abruptly closed in late 1970 as Ford shifted its priorities away from racing, but its impact on muscle car culture persists. Today, Boss 429s are among the most valuable Fords in existence, often selling for $300,000 to $600,000+ at auction. Current Continuation This resulted in high labor intensity and superior
Kar-Kraft acted as the "skunkworks" for Ford Performance. They were responsible for projects that were too specialized or low-volume for Ford’s main assembly lines. Their primary mission was to turn Ford’s "Total Performance" marketing into reality on the track and the street.