Cars built or modified by Kar-Kraft are identified by a unique "KK" serial number .
Kar-Kraft was subcontracted to hand-modify the front ends, relocating the shock towers and reinforcing the structure to fit the "semi-hemi" engine. KarKraft
KarKraft (frequently written as ) was Ford’s secret weapon during the 1960s—a dedicated performance shop that functioned as an outside engineering arm to bypass corporate bureaucracy. While it was technically a separate entity, it was funded by Ford to build their most extreme racing and homologation machines. Cars built or modified by Kar-Kraft are identified
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 it was technically a separate entity, it
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
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.