The International PayStar 5000 Engine-Perform Parts category offers high-performance parts for Class 8 trucks, including fuel systems, turbochargers, exhaust components, and more. This selection is designed for heavy-duty trucks needing reliable and powerful performance. Key features include: - FASS Industrial Series fuel systems with flow rates up to 290 GPH - Turbochargers and upgrades for Cummins, Caterpillar, and Detroit Diesel engines - Exhaust parts like mufflers, tailpipes, and flex tubing for custom systems - Mounting packages and hardware for easy integration of performance components - Diagnostic tools to monitor and maintain engine performance Whether upgrading power, efficiency, or appearance, this category has the parts you need to maximize your truck's capabilities.