New Master Cylinder, Original Ford  design used on 1982-1986 Ford full size vehicles. Cast Iron, 25.4mm Bore. SSBC-USA includes this master cylinder in 5-lug  4 wheel disc brake conversions in the A112 series kits. 

Questions?  Call Customer Service at 716-775-6700 or e-mail CustomerService@ssbc-usa.com and we'll be happy to help you!