The 3rd Generation Sierra sat on a new chassis that houses GM's latest entry in the small block V8 history books: The Gen V LT. The 4.3L V6 now makes as much power as some of the Gen 3 5.3L engines, and the line-topping 6.2L is good for 420 hp. Not too shabby for a full-size pickup truck.

Keeping your vehicle cool is the key to maximum performance. We have everything you need to help dissipate that extra heat. High Performance Radiators, Water pumps, oil coolers, and more.