No matter the condition of your 1974 Grand Prix, OPGI has the Core Support products you need to boost performance and get you back on the road. We currently carry one Core Support items to choose from for your 1974 Grand Prix, and our Price Match Guaranteed prices range from as little as $253.99 up to $253.99. OPGI offers QuietRide plus zero other trusted brands of Core Support products for your 1974 Grand Prix, 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 Core Support items in person.