For example these will work for sure for the following vehicles This does not have that stud, but you simply can zip tie the boost solenoid in place. It is not necessary to bolt the boost solenoid down.
Ford Mustang cobra Vortech supercharger aftercooler intercooler cobra 1996 1998
1996 1997 1998 Mustang Cobra Vortech Supercharger Air Intake Inlet,
2003-2004 Ford Mustang Cobra Supercharger Stock Eaton SVT 4.6 32V 4V 03 04 M112
New Eaton M112 supercharger boost bypass valve actuator for 2003-04 SVT Cobra
2003-04 Cobra M112 Billetflow Supercharger Plenum Eaton Swap
03-04 Cobra air intake inlet plenum elbow to Eaton M112 supercharger gasket