No matter the condition of your 1966 GTO, OPGI has the Window Hardware products you need to boost performance and get you back on the road. We currently carry 29 Window Hardware items to choose from for your 1966 GTO, and our Price Match Guaranteed prices range from as little as $0.78 up to $889.99. OPGI offers RESTOPARTS plus two other trusted brands of Window Hardware products for your 1966 GTO, to help you find quality parts you can rely on. With OPGI's 45-day return policy and fourteen 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 Window Hardware items in person.