I wouldn't do it. If you hit that roller and jacked one or both rear tires off the track there's no telling where the car's going, and I'd bet it wouldn't be straight. I'm with Bruce on the springy thing. Mine's 150" SBC, PG, 5.7, 125. I bent a couple of fronts from a hard landing, so there will be a wheelie bar on mine at all times.
Just my two cents...
Pic of the 5' bar I made, lower bar bows upward on hit. Tunable for spring with upper bar mounting location options at the wheel housing.