No matter the condition of your 1974 Bonneville, OPGI has the Computers, Chips & Programmers you need to boost performance and get you back on the road. We currently carry four Computers, Chips & Programmers to choose from for your 1974 Bonneville, and our Price Match Guaranteed prices range from as little as $13.99 up to $74.99. OPGI offers Lectric Limited plus one other trusted brands of Computers, Chips & Programmers for your 1974 Bonneville, 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 Computers, Chips & Programmers in person.