Manufacturer's Part Number:
Summit Racing Part Number:
This tach adapter is designed to work with points, OEM electronic ignitions using the stock module, Unilite, and stand alone aftermarket magnetic trigger ignitions (with no ignition box) only.
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When you're installing a Mallory HyFire or other capacitive discharge ignition system, these Mallory tachometer adapters create the high-voltage pulse necessary for proper tachometer and fuel-injection computer operation. Tachometer adapters are required for most 1981-95 non-OBD II vehicles when upgrading the ignition system.