This is a new in the box C10 1967-1972 Chevrolet truck 11 inch  single diaphragm brake booster and master cylinder with a disc drum proportioning valve. This is set up for disc brakes in the front and drum brakes in the rear. We welcome any and all questions.

Kit includes:

• 11"  brake booster with mounting bracket.
• cast iron master cylinder 
• 1 disc drum proportioning valve with hardware. (stainless steel pig tail lines and zinc coated bracket)