Roush’s supercharger kit is described as a limited-run “Launch Edition” that increases the Mustang GT’s 5.0-liter Coyote V8 engine output to a jaw-dropping 810 horsepower and 630 pound ...

Particularly in 1969, the Mustang Boss 429 ... the SFM5010 was used to install the first Cobra Paxton supercharger kit. Granatelli impressed Shelby, and convinced him to offer a supercharger ...