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.

NOS has Nitrous Kits available for many Diesel engines including Dodge Cummins, Ford Powerstroke, and GM Duramax. Give your ride the kick it needs with NOS!