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Keep your 1962-1974 Corvette's original factory mechanical tachometer and move up to high-energy ignition system. This New Mechanical Tach-Drive H.E.I. Distributor has a high performance module and 50,000 Volt Internal Coil. Direct replacement for the OE unit, however the stock distributor shielding must be removed. Features built in performance advance curve. Comes with high performance cap and rotor with solid terminals for maximum conductivity. Requires 1975-1981 H.E.I. type spark plug wires listed below. Easy one-wire hook-up
*Mechanical Tach Drive
*Built in Performance Curve Kit
*Adjustable Vacuum Advance Kit
*Hardened Black Oxide Drive and Cross Gear
*50,000-Volt Coil
*High Performance Ignition Module

Will not work on the following:
62-340HP Intake # 3795397
63-340HP Intake # 3794129
64-65 350/365HP Intake #3844461
66-67 350HP Intake #3890490

Electrical components such as distributors are non-returnable parts.

Always refer to a factory service manual when diagnosing engine service problems. You can damage electrical components if the proper procedures are not followed. Be sure you are replacing the correct part.

NOTE: This distributor has a higher spark output. A spark plug gap of 0.045-0.055 when using this distributor is recommended.

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