a engine harland sharp rockers

i looked them over 1 at a time. the only thing i can see is the one roller on the bottom left in the photo has a discolor about half way around it. is this a problem? i dont know. the bearings all look fine to me but iam not a rocker specialist. if this roller bothers you please dont buy them. i did not see it before but if you want a closer pic of it ill try to get one. they have never had any pushrod dings. i bought theese just the way you see them. for 25.00 more and tried to find t/a intake rockers used but no luck. thanks joe