I installed them on a Jeep Grand Cherokee Lmtd 02 with 16" aluminum wheels and a steel spare. The magnet won't go through steel to calibrate, so you'll have to remove the sensor and then reinstall it. Seems to be a good product for the price. Time will tell how well the battery performs. I may update this review a year later Original installation Plastic stem I'm a little worried about the valves I'm worried about getting hit by a rock, especially on a rough road, but we'll see.