Includes everything needed to convert a stock car with drum brakes to 4 piston disc brakes. All kits include calipers wthich have stainless steel pistons and coated with special stainless steel type paint, stainless steel caliper crossover brake lines, rotors, splash shields, bearings, pads, master cylinder hoses, and all mounting hardware. For factory equipped 8 cylinder cars, spindle replacement is not necessary. Some early cars with 14 " stock steel rims may require later 14" steel or optional styled steel rims.