For all AutoMeter pedestal tachometers and some in-dash tachometers. Does not work with Digital & LED Lit gauges (i.e. Cobalt, C2, ES, GS, Elite, Factory Match, NV, Phantom II, Sport-Comp II, Ultra-Lite II). Replacement LED bulbs for Tachometers using the small twist-in light on the front control panel or" shield" .
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