The International 8600 TranStar Engine-Performance Parts category offers a variety of high-quality components to improve the performance and efficiency of Class 8 semi-trucks. These include FASS fuel systems, Borg Warner turbochargers, BESTfit mufflers, and Bully Dog diagnostic tools. Key benefits include better fuel delivery, increased horsepower, quieter operation, and advanced diagnostics. Whether upgrading your engine or maintaining key systems, this selection provides reliable, long-lasting parts that help keep your truck running at peak performance.