‘- IQ high speed motor magnet for club car golf cart;- Fits Club Car DS & Club Car Precedent 48V IQ Models with ADC Motor;- Increase your IQ golf carts speed without a loin torque, without replacing your gears, or any motor/controller upgrades.Most can expect to see 2-8 MPH gain depending on the health of your batteries;- Flip your tow/run switch before installation;- Simply jack up the rear of your cart, remove your passenger side tire, remove screws holding speed sensor to motor, replace magnet in motor, and re-install!If you have questions regarding if your Club Car has a IQ system with ADC motor or a GE motor . The easiest way to tell is by checking the serial number prefix. If your serial numbers starts with: AQ, CE, FD, HD, PE, or PQ then you have a cart with a IQ system. You can also look at the motor controller part number. If your model number starts with “1510” then you also have an IQ system.Installation Instructions:1: Flip the Tow/Run Switch to the TOW position (this should be done whenever you are servicing the cart)2: Disconnect main positive and negative battery cables to your cart3: Remove the ADC speed sensor from the end of your cart motor4: Now you can gain acceto the magnet. Simple remove the magnet by using a small flat head screwdriver or socket5: Install the new magnet in the same position you just remove the old magnet from6: No just re-install the speed sensor, re-attach the battery cables, and run the Tow/Run switch back to the RUN position.