No matter the condition of your 1978 Monte Carlo, OPGI has the Ignition Components products you need to boost performance and get you back on the road. We currently carry 154 Ignition Components items to choose from for your 1978 Monte Carlo, and our Price Match Guaranteed prices range from as little as $3.99 up to $691.99. OPGI offers Pertronix plus twelve other trusted brands of Ignition Components products for your 1978 Monte Carlo, to help you find quality parts you can rely on. With OPGI's 45-day return policy and eighteen 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 Ignition Components items in person.