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.

NOS has powered more racers than any other brand of nitrous. When you're looking to go fast, rely on NOS to deliver the most power per dollar available. From stock engines to race vehicles, jet skis to trucks, NOS has a kit for you.