At last a true bolt on front and rear power disc brake system for your 1966-68Chevy Fullsize car. These kits include all items shown in picture. Standard booster size for a 1966 is 9″ and 1967-68 is an 11″. You can choose braided stainless hoses and/or drilled and slotted rotors for a minimal upgrade charge.Great for small rim and tire combos. These kits come standard with GM ratcheting rear calipers. These kits mount to your original spindle making installation a snap! Works with most aftermarket14″ wheels