KS56 SENSOR DE DETONACION FORD ESCORT 98-02 L4-2.0L, FOCUS 00-04 L4-2.0L, MUSTANG 00-04 V8-4.6L; MERCURY TRACER 98-99 L4-2.0L (1F1Z-12A699-AA, F8CZ-12A699-AA)