51-53 Chevy GMC Stepside Pickup Center Cross Sill 2 req

AUTO METAL DIRECT 716-4051-2 Features:

Replacement cross sill for the 51-53?Chevrolet / GMC Stepside Truck's. Short bed models require?(2) and long bed models require (3) of this cross sill. Starting at the front bed panel and moving towards the tailgate, This is the second and third cross sill on short bed models and it's the second, third and fourth on long bed trucks.