No matter the condition of your 1939 Series 61, OPGI has the Tools products you need to boost performance and get you back on the road. We currently carry fourteen Tools items to choose from for your 1939 Series 61, and our Price Match Guaranteed prices range from as little as $7.99 up to $358.99. OPGI offers Comp Cams plus one other trusted brands of Tools products for your 1939 Series 61, to help you find quality parts you can rely on. With OPGI's 45-day return policy and five 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 Tools items in person.