The GMT800 HD trucks were a massive step forward for GM's truck division. The available engines included the LS-based 6.0L, the big block 8.1L, and the line-topping 6.6L LB7, LLY, or LBZ Duramax diesel. Whether gas or diesel, we have the parts to take your truck to the next level on the street, worksite, or drag strip.

Edge Products in-cabin tuners combine precision performance tuning with real-time vehicle monitoring, all from a convenient, easy-to-use dash-mounted display. Perfect for towing, racing, and daily driving, these tuners deliver instant horsepower and torque gains while keeping you connected to critical engine data.