Bolt on front and rear power disc brake conversion system for your 64-66 Chevy, Pontiac and Oldsmobile, GM A Body. These disc brake brakekits include all items shown in picture plusfront conversion brake lines. These disc brake systems include 11″ rotors front and rear with D52 calipers in the front and D154 ratcheting e-brake rear brake calipers.Sets the wheels at the factory GM specifications. This disc brake kit accepts factory tie rod ends and ball joints. It also reuses the stock steering arms. This kit works with many aftermarket 14″ wheels. Stock steering arms may need to be modified