The 33-year old Vancouver Whitecaps striker, who has already had two spells at Ibrox, is training with the Glasgow outfit during the MLS offseason and McCulloch would like to play alongside him again after Rangers' transfer embargo is lifted on September 1.
"Kenny is training with us just now and is still contracted to his MLS club," McCulloch said.
"He said he wanted to come back and he's not shy in showing where he wants to play.
"Kris Boyd is in training with us too, as is Stevie Smith. I think the three of them would be good signings for the club!
"It's just a matter of whether or not that's possible or whether the boss (Ally McCoist) felt he could take them back after the three guys had spells with the club when he was there."