No matter the condition of your 1965 GTO, OPGI has the Harmonic Balancers products you need to boost performance and get you back on the road. We currently carry nine Harmonic Balancers items to choose from for your 1965 GTO, and our Price Match Guaranteed prices range from as little as $25.64 up to $262.99. OPGI offers ARP plus three other trusted brands of Harmonic Balancers products for your 1965 GTO, to help you find quality parts you can rely on. With OPGI's 45-day return policy and one 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 Harmonic Balancers items in person.