The 3rd Generation Silverado sat on GM's new K2XX chassis that houses GM's latest entry in the small block V8 history books: The Gen V LT. With 420 horsepower on tap from the factory, this Silverado is equally at home pulling your show car to the NHRA Hot Rod Reunion or laying down some rubber stripes at LS Fest. No matter what you do with your truck, we have the parts to help you do it better.

Holley’s collection of Tuners includes handheld, in-cabin, and inline systems from leading brands like DiabloSport, Edge, Superchips, and Accel. These tools deliver instant horsepower and torque gains through precision-engineered calibrations designed for gas, diesel, and hybrid vehicles. Whether you want more towing power, throttle response, or track-day performance, these tuners put complete control of your engine management system right at your fingertips.