Innova 3551, Inductive Timing Light DIS

• This best seller is a must have for every tune-up kit. Works with most ignition systems: DIS, conventional, electronic and computer controlled systems - domestic and imports
• Check timing, diagnose a no-spark condition, check for electronic advance/retard and more
• Slim, rotating barrel for better aim at timing mark
• Detachable leads, metal inductive pickup
• Protective hand guard
• Patented Skip Circuitry Test up to 9,990 RPM
• One-hand Operation