No matter the condition of your 1963 Riviera, OPGI has the Plugs you need to boost performance and get you back on the road. We currently carry four Plugs to choose from for your 1963 Riviera, and our Price Match Guaranteed prices range from as little as $5.28 up to $13.99. OPGI offers RESTOPARTS plus two other trusted brands of Plugs for your 1963 Riviera, 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 Plugs in person.