Replacement inductive pickup sensor and wiring harness for Equus 3-3/8 in. and 5 in. performance tachometers using indirect ignition signal connections and coil on plug ignition installations where a tachometer signal port is unavailable. Product Features:Replacement inductive sensor for Equus performance tachometers. Not compatible with Equus mini tachometers or 3-3/8 models which feature adjustable red line markers.Replaces worn or damaged Equus inductive pickupsDesigned for long service lifeIncludes installation instructions in English, French, and Spanish.