No matter the condition of your 1999 Monte Carlo, OPGI has the Spark Plug Wires & Accessories you need to boost performance and get you back on the road. We currently carry 28 Spark Plug Wires & Accessories to choose from for your 1999 Monte Carlo, and our Price Match Guaranteed prices range from as little as $20.99 up to $191.99. OPGI offers Lokar plus zero other trusted brands of Spark Plug Wires & Accessories for your 1999 Monte Carlo, 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 Spark Plug Wires & Accessories in person.