No matter the condition of your 1978 Regal, OPGI has the Keys you need to boost performance and get you back on the road. We currently carry one Keys to choose from for your 1978 Regal, and our Price Match Guaranteed prices range from as little as $3.69 up to $3.69. OPGI offers RESTOPARTS plus minus one other trusted brands of Keys for your 1978 Regal, 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 Keys in person.