97-04 LS1/LS6 Hypertech Power Programmer

Reprogram your C5 Corvette's factory ECM to take full advantage of your Corvette's LS1 or LS6 engine. Precise tuning optimizes engine speed from off-idle to redline for maximum performance. Easy to use, and stock tuning program can be reloaded with the push of a button. Adjust rev and top speed limiters, improve engine cooling, tweak automatic shift points and firmness, recalibrate speedometer to correct for gear and tire size changes, and more. Fits all 1997-2004 Corvettes including LS1 & LS6.