FORD PERFORMANCE 56LB/HR - EV14 (M-9593-MU52) (SET OF 8) Factory, OEM '13-'14 GT500 injectors.Great upgrade for '07-'12 GT500s with upgraded blowers.On a 2.3L blower, these are recommended with a 2.6 upper pulley and stock lower pulley. A 2.5 upper...