The International 8100-8300 Engine & Performance Parts category offers a variety of high-quality components to improve the power, efficiency, and reliability of your Class 8 trucks. From fuel systems and turbochargers to exhaust parts, this category has everything to boost performance and longevity. Key products include FASS diesel fuel pumps, Borg Warner and Bully Dog turbochargers, BESTfit mufflers, and Caterpillar C15 performance manifolds. These parts ensure your fleet runs smoothly. With options for Cummins, Caterpillar, and Detroit Diesel engines, this category helps optimize truck performance.