System Features Bolt-in replacement control panel designed for 1957 Chevy passenger car Gen IV or Gen 5 SureFit systems. Features include LED panel illumination, blue "A/C on" indicator and variable adjustments for fan speed, temperature, and air delivery selection. Machined from 6061-T6 billet aluminum, then triple-chrome plated with laser etched lettering. Includes hardware to install in OEM dash location, wiring harness and complete installation instructions. Instructions Installation Instructions download Vehicle Fitment warning California Proposition 65 arrow_drop_down WARNING: California proposition 65