Professional set initial and advance timing to obtain total timing and peak performanceSuper bright xenon flash, and a high Vis LED displayDesigned for precise tuning and diagnostic workDisplay engine speed up to 9,000 RPM, and ignition spark advance from 0-90° Pushbuttoncontrol to adjust advance and switch between 4 and 2 cycle enginesTough ABS shell, 60 in. inductive pickup leads and works with 12 volt systems.

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