A Disc Brake Kit Front & Rear: 64-72 GM A body GTO Chevelle ++This is a DISC DISC KIT for the 64 72 GM A body cars below. Freight additional You Need 15" or larger Rims This kit is JUST the ground area a Master, PV & Booster could be 8 or 8 or 11 inch, could be black or metal colour or Chrome bling. you MAY have a good booster already so the need will then be a disc Disc master and correct PV with brackets to the LHS of the master or Under it. hence why this kit has it as a separate issue which you can find