Perfect for the Corvette hot rod! An electronic conversion kit that can be utilized with your factory Corvette tachometer face. Whether you are installing a high energy electronic ignition distributor or a complete LS engine conversion - you can now run your factory tachometer without having a drive cable. The new electronic conversion kit is a simple 3-wire installation. Instructions and hardware included. Simply remove your Corvette's factory tachometer from the dash or cluster and mount the new electronic module on the back of your original tachometer face. Fits all 1953-1962 and 1965-1974 Corvettes. Will not work for 1963-1964 Corvettes due to the cone shaped tachometer. 1953-1958 will be unable to use their factory rev counter. Manufactured by a GM supplier for OE accuracy and dependability.