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Automotive Specialty Tools > Engine Repair > Cylinder Tools > Piston Ring Compressors > Top Dead Center Indicat

Top Dead Center Indicator

Top Dead Center Indicator
  • Tool whistles as the piston approaches Top Dead Center (TDC) on the compression stroke and stops whistling when the piston reaches TDC.
  • Helps to eliminate the guesswork involved when diagnosing jumped timing belts and timing chains.
  • Aids in valve adjustments and installation of distributors, timing belts and timing chains.
  • 2-in-1 fitting threads into all 14mm and 18mm spark plug ports.
  • Overall length of 27".
  • Not for use on diesel engines.
  • Instructions included.


  • Tool Aid 33650 Top Dead Center Indicator
    • Shipping Weight: 0.35lbs
    • Manufactured by: S & G Tool Aid
    • Toolsource #: 58447
    • Manufacturers Part #: 33650
    • Also Known As: SG33650, SGT-33650, SGT33650, TA33650

    We have 12 in stock

    Inventory available from other suppliers, prices may be different

    $22.83

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