No matter the condition of your 1966 GTO, OPGI has the Headliner & Accessories you need to boost performance and get you back on the road. We currently carry 33 Headliner & Accessories to choose from for your 1966 GTO, and our Price Match Guaranteed prices range from as little as $5.99 up to $882.99. OPGI offers RESTOPARTS plus two other trusted brands of Headliner & Accessories for your 1966 GTO, to help you find quality parts you can rely on. With OPGI's 45-day return policy and thousands of customer reviews, you can shop with the utmost confidence. Enjoy parts delivered directly to your home, or visit our sunny Southern California Showroom & Warehouse to check out our Headliner & Accessories in person.