Originally Posted by ddavis
If your shooting for 1000hp+ I would really consider the full 9in rear kit. If I had the money I would of went for it. It will address the weak posi issue, driveshaft, and axle issue at the same time. A couple of places making some really nice kits now.
That and smaller brakes so you can get some good racing slicks on the back. Don't forget to order a line lock kit, you will need it to heat up the drag radials. The 555s are just a slippery as the stock tires when they are cold.