No matter the condition of your 1938 Series 61, OPGI has the Oiling Systems products you need to boost performance and get you back on the road. We currently carry three Oiling Systems items to choose from for your 1938 Series 61, and our Price Match Guaranteed prices range from as little as $183.99 up to $559.99. OPGI offers GM Performance Parts plus two other trusted brands of Oiling Systems products for your 1938 Series 61, to help you find quality parts you can rely on. With OPGI's 45-day return policy, 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 Oiling Systems items in person.