66 valiant disk brake conversion??

And for those that can't find good parts or when they do, the seller wants to much, Wilwood makes a kit for 9" and 10" spindles that allows the use of SBP or LBP wheels. You can choose.

Wilwood High Performance Disc Brakes - 1965 Plymouth Valiant 10" Inch Drum Brake Spindle - Front Brake Kit No.: 140-11023