Cole Hersee 24059 12V Insulated Continuous Duty SPST Solenoid 85A normally open contacts, SPST, One circuit, Off - On Housing, plated steel Studs, copper 5/16-Inch -24 thread, hex nuts and lock washers included Coil, ignition and ground terminals, Steel 10-32 thread, hex nuts and lock washers included Bracket mounting holes 5/16-Inch x 19/32-Inch (7.9 x 15.1) on 2 13/64-Inch centers (56.0mm)