No matter the condition of your 1970 Grand Prix, OPGI has the Hoses you need to boost performance and get you back on the road. We currently carry 87 Hoses to choose from for your 1970 Grand Prix, and our Price Match Guaranteed prices range from as little as $8.42 up to $473.99. OPGI offers Earl's Performance Plumbing plus eight other trusted brands of Hoses for your 1970 Grand Prix, 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 Hoses in person.