No matter the condition of your 1966 DeVille, OPGI has the Lubricants & Penetrants you need to boost performance and get you back on the road. We currently carry four Lubricants & Penetrants to choose from for your 1966 DeVille, and our Price Match Guaranteed prices range from as little as $16.99 up to $21.99. OPGI offers Comp Cams plus zero other trusted brands of Lubricants & Penetrants for your 1966 DeVille, 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 Lubricants & Penetrants in person.