Tri-Point Engineering/ProPartsUSA offer Cam gears for the Proteges. It's a 20 degree spread. From 0 degree you can advance the timing by 10 degrees or vice versa retard the timing. The Dyno had a 7 HP increase on the 2.0L N/A motor. There are 5 bolts. They are $315.00 shipped to any where in...