No matter the condition of your 1968 Tempest, OPGI has the Plugs products you need to boost performance and get you back on the road. We currently carry twelve Plugs items to choose from for your 1968 Tempest, and our Price Match Guaranteed prices range from as little as $5.38 up to $53.99. OPGI offers RESTOPARTS plus three other trusted brands of Plugs products for your 1968 Tempest, to help you find quality parts you can rely on. With OPGI's 45-day return policy and eight 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 items in person.