OER Parts offers a wide selection of Brake Components for your 1966 GMC G1000 Series. OER Parts offers 1966 GMC G1000 Series Front Rotors 1966 GMC G1000 Series Rear Rotors, 1966 GMC G1000 Series OE Rotors, 1966 GMC G1000 Series Performance Rotors, 1966 GMC G1000 Series Plain Rotors, 1966 GMC G1000 Series Drilled Rotors, 1966 GMC G1000 Series Slotted Rotors, 1966 GMC G1000 Series Drilled & Slotted Rotors and 1966 GMC G1000 Series Rotor Upgrade Sets.