If you know, you know. The Mopar Performance Valve Cover Men's T-Shirt is a Detroit Shirt Company exclusive — officially licensed Mopar merchandise for the enthusiast who can identify that graphic from across the room. The chest carries a precision line art rendering of the iconic Mopar Performance valve cover in crisp white on black — the Pentastar badge, the oil cap, the fin detail, "Mopar Performance" exactly as it read on top of some of the greatest engines ever assembled. No explanation needed for the right buyer. The 100% cotton construction is soft, breathable, and built for the garage, the show, or anywhere the Mopar life takes you. Classic fit, true to size. Designed and printed in Detroit, Michigan by Detroit Shirt Company. MOPAR and related logos, vehicle model names and trade dress are trademarks of FCA US LLC and used under license by Detroit Shirt Company. 2026 FCA US LLC.