Classic Industries offers a wide selection of Brake Components for your 1966 GMC G1000 Series. Classic Industries offers 1966 GMC G1000 Series Brake Lines & Hoses, 1966 GMC G1000 Series Brackets, 1966 GMC G1000 Series Brake Valves, 1966 GMC G1000 Series Clips, 1966 GMC G1000 Series Distribution Block, 1966 GMC G1000 Series Fittings and Tees, 1966 GMC G1000 Series Rubber Hoses, 1966 GMC G1000 Series Shields, and 1966 GMC G1000 Series Steel Lines.