iNOVA Timing Light Automotive Diagnostic Tool with Direct Reading Advance Scale, Slim Barrel

The Equus 3555 Digital Timing Light features a direct reading advance scale that adjusts from 0 to 60 degrees, allowing technicians to check base timing, mechanical advance and electronic advance or retard. A built in advance dial provides precise control during tuning. The slim, rotating barrel improves aim at the timing mark, especially in tight engine compartments. The tool includes detachable leads, a metal inductive pickup and a protective hand guard for durability and safety. Its patented Skip Circuitry Test function operates up to 9,990 RPM, enabling accurate timing checks on high revving engines and helping diagnose ignition issues. Built for professional use, the 3555 supports reliable ignition tuning and diagnostic work.