Marcos Maniacs

Hi  gang,
the  RH rear brake cylinder on my 71 hase sprung a leak and I am having a 
little trouble finding a new set .I contacted Dave Bean eng and they can sell 
me some that will give me more rear bias but I dont' realy want to go that 
way so, I am once again asking for some help. The drum is 9 inches , the 
shoes are 2.25 wide and  the set up is self adjusting..
Yes spring hase sprung and I gotta get moving!!
Yours Mark Petrinovich