A-body headers and road runner headers ?

do you guys can tell me if some headers of a road runner 72 and up with a small block 340/360 can fit my 76 plymouth duster 360 ?

http://www.kijiji.ca/v-moteurs/long...360/594407978?enableSearchNavigationFlag=true

in the link they really look like the ones i have on the duster , need youre advice guys ! thx !!!