Originally Posted by Halfkiddio

You would benefit from doing the SPL lower shock mount bushing when you go to a true type coilover, but its not required

. There is really no need to brace the shock tower when you switch. Install on a true type coil is about 20 minutes per side, not including taking the spring bucket arm out and replacing it with an adjustable arm.

If you're comparing AST to JRZ, I would go JRZ hands down. AST's dont seem to last long on heavier cars except for the BMW guys. I would be looking at JRZ and MCS if you want something at that level. I will be going with JRZ next year hopefully.