Chevy's Tahoe got its first redesign in 2000 and along with it came GM's latest and greatest iteration of its venerable small-block V8 family; the Gen III 5.3, derived from the LS1. We have hung our hat on making power with LS-based motors and if you want to take your Tahoe from grocery getter to stoplight sleeper, we've got everything you need.

Creates a considerably hotter spark that lets the flame expand more rapidly in the combustion chamber and a more complete and efficient burn of the air/fuel mixture