OER? offers the highest quality tachometers on the market! Our reproduction tachometers will replace originals exactly and offer years of continuous service. Each tachometer is manufactured with a tightly sealed case to keep moisture out, which means less corrosion of internal parts and long lasting dependability. Includes 2 bulbs for clearer visibility than the original, plus the correct Pontiac lettering for an authentic look. OER? offers a full one year warranty on materials and workmanship. All OER? tachometers are Officially Licensed by General Motors. Note: Not for use with original harness. Use harness supplied with part. For use with breaker point type ignition system only. Modifications to heater case are necessary to install condensation tube.