Auto Metal Direct 716-4054-3A FR/Center Cross Sill for 55-59 Chevy/GMC Fullsize

Cross Sill - Front / Center Replacement cross sill for the 55-59Chevrolet / GMC Stepside Truck's. Short bed models require(3) and long bed models require (4) of this cross sill. Starting at the front bed panel and moving towards the tailgate, This is the first, second and third cross sill on short bed models and it's the first, second, third and fourth on long bed trucks. .