wheel cylinders f/ brakes

looking f/ the following==new or rebuilt==front cylinder is 1end only w/ markingsg26 and 760 LH which is probly left front which it came off of need2]======= rear cylinders us made w/ 7378 and on end j28ns these are double ended==rear is 1" piston====front is 1" also this one may be foreign as does not say were made===thanx ken this f/ a car w/ golf cart wheels called a surbuan safari which is NOT a GM product dont look f/ it you wont find it thanx again