Cousins Bill and Evelyn Balis of Adelphia Restaurant will roll back the price of their cheesesteaks to $4.95, which was the price on the menu when their fathers opened at 1750 Clements Bridge Road in Deptford in 1987. In addition to the cheesesteak rollback, they will offer comp mini-cheesesteaks at the bar during happy hour from 3 to 7 p.m.