Cole Hersee 24063 24V Insulated Continuous Duty SPST Solenoid Large terminals, Copper 5/16-Inch -24 thread, hex nuts and lock washers included Housing, plated steel 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) 24V insulated normally open contacts, SPST, one circuit, Off - On, 85A