On Club Car IQ /precedent Carts the speed controller helps supplies the speed and torque.

IQ 300 amp

Programmable 300 Amp Speed Controller.

Save money and improve performance. New 300 amp controller for IQ club cars. Drop in replacement for Club Car. Easy install, same size as original. 2 year warranty. Works on 24, 36 ,48 volt carts. Should see same torque and speed as the original controller. Water proof, Corrosion Proof, designed to last.
$378

IQ 400 Amp

Programmable 400 Amp Speed Controller.

Great price to upgrade stock cart to 400 amp speed controller. This will give you more torque for pulling hills and off roading. Fits like original drop in, wire, and go. Changing to 4 gauge wiring is needed for some applications, this also gives better performance. 2 year warranty. Works on 24, 36 ,48 volt carts. Upgrade controller club car IQ systems.
$448

IQ 600 Amp

Programmable 600 Amp Speed Controller.

Programmable 600 Amp upgrade controller. Fits same as stock speed controller. Provides extra climbing or pulling power. Easy installation just bolt, connect wires and go. Changing to 4 gauge wiring is needed, this also gives better performance. 2 year warranty. Works on 24, 36 ,48 volt carts. Upgrade controller club car IQ systems. This is not recommended for stock motors.
$675

Controller Quick Links

Already know what Speed Controller you need.

Quick Links for controllers to specific model golf cars.