First, I do not wish to hurt or offend anyone, only to pass on to the readers an experience I have had with MP brakes out of North Carolina. I was looking for a master cylinder conversion kit for my '51 convertible and most companies advertised either some welding required or no application available. I happened upon the MP brakes website which showed a kit that "bolts in to existing holes in the frame and requires no extra drilling". That sounded perfect so I ordered it. When I received it and opened the installation instructions, it required drilling 8 holes in the frame, 4 of which needed to be 1 inch in diameter. I did not want to compromise the frame integrity to that extent so I immediately returned the kit for refund. After several phone calls (another story), I was credited for the kit price but not for the shipping it cost to get it to me and the shipping for the return. Bottom line is, it cost me $70 to find out the kit was not as advertised. I'm afraid I have no other recourse but maybe my experience will help someone else.