On a 70 442 were the rotor dust caps smooth or did they have a dimple in the middle? Looking to know what the cars had off the assembly line.

 

Good question. I tried doing some homework but didn't come to a conclusive answer. I know the '70 Chevelle caps had dimples . Checking my parts books the '64-66 Cutlass used the same part number as the '70 Chevelle. So what does the '67-'70 Cutlass cap look like? Someone here must know.