Firestone Walker Parabola Posted by imus on March 10, 2015 Posted in: Beer. Tagged: beer, want. I’d love to get this one, purchased a couple last year when I was in Sacramento, CA 3/21/20135 12.5%ABV Firestone Walker Parabola. Posts navigation ← beer list; week ending 3/08 SB #63, Passes in GA Senate, 51-5 →