Edelbrock E-Force Mustang Stage II supercharger upgrade kits contain everything needed to boost your system from 559 hp to 636 hp. Each kit includes a new pulley, drive belt, and air intake system. Take your Mustang to new levels of performance with a Stage II upgrade kit from Edelbrock.
Edelbrock Supercharger; #1588 Stage II Upgrade; 2011-2013 Mustang GT; 5.0L
The Edelbrock #1125 Ford Flatheads feature the original Edelbrock script logo design for Fords and Mercurys, the heads are rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics.
Ford:Coyote 4V:302 (5.0L)

Fitment:
Ford Mustang Boss 302 2012
Ford Mustang Boss 302 2013
Ford Mustang GT 2011
Ford Mustang GT 2012
Ford Mustang GT 2013
Ford Mustang GT 2014