This is a brand new disk brake conversion kit for cars with factory 14 wheels. This is a great upgrade for your 1964-1972 Chevelle. Increased stopping power is what this kit is all about. No more worrying about your brakes again. This kit has a 9 power booster, and is designed to fit your stock 14 wheels without modifications.ITEM SHIPS UPS GROUND,CALL STORE FOR SHIPPING QUOTE.