front disk brake conversion kit

ok my a body buddies.. i am not a mechanic.. i have a 1972 lymouth duster 340, it has manual brakes. does not stop well.. and i know if i could brake better i would drive it more...what front brake conversion would you recommend. of course im trying to get the best bang for my buck. i guess i will need some kind of power booster. looking for everything in one kit... need name of vendor you use also. any advice is very appreciated... Arab