Energy Upper Bumps ***UPDATE***
I have been using the 2 1/2" ones with a little improvement over stock, they work OK. They just mash down and give me little sooner overload engagement. http://www.summitracing.com/parts/ens-9-9109g/...
Forum Discussion
I added 2' square tubing to the overload bumper and it engages 2 inches sooner and no mashing'
