No matter the condition of your 2015 CTS, OPGI has the Proportion Valves products you need to boost performance and get you back on the road. We currently carry three Proportion Valves items to choose from for your 2015 CTS, and our Price Match Guaranteed prices range from as little as $8.99 up to $92.99. OPGI offers Russell plus zero other trusted brands of Proportion Valves products for your 2015 CTS, to help you find quality parts you can rely on. With OPGI's 45-day return policy and two 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 Proportion Valves items in person.
Memorial Day Savings!