A toggle switch must be installed to operate 4th gear and converter lock up. We can build this valve body to work with lock up and non lock up torque converters. We can also build it with or without engine braking in 1st gear. Engine braking is provided in 2nd gear. Great for retro fitting into hot rods and other non computer controlled vehicles. Shift solenoid and TCC solenoid are included. Wiring harness is also included. Toggle switches are NOT included. If you have more than 500-600 horse power, consider our Pro Series valve bodies for even more durability.