Want more power, better fuel economy, and smoother performance from your Kenworth T660? This Engine & Performance Parts lineup is built for drivers who want to push their trucks further without sacrificing durability. From fuel system upgrades and turbochargers to exhaust components and engine tuners, this collection has everything you need to fine-tune your T660 for better torque, horsepower, and efficiency. Whether you 're hauling heavy loads or running long miles, these parts help your truck perform at its peak. You ll find industrial-grade diesel pumps, high-efficiency filters, and powerful turbo setups all designed to increase output and reduce strain on your engine. Pair them with an exhaust upgrade or engine tuner, and you ll feel the difference in throttle response, pulling power, and fuel savings. These components are perfect whether you're upgrading a workhorse or building out a custom high-performance rig. And with parts built to withstand real-world use, you can count on them to hold up over the long haul. If you're ready to unlock your T660 's full potential, this performance parts lineup delivers the quality, power, and reliability you need to stay ahead mile after mile.