Is that the M-6007-X302 engine?
Ford says this under the info for that motor...
IMPORTANT WARRANTY INFORMATION! Power-adders such as superchargers, turbos, or nitrous not recommended. Use of power-adders voids the warranty. See Ford Racing Boss series of crate engines such as M-6007-X302B or M-6007-X302E if you plan power-adder enhancements
Ford Racing Performance Parts