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 Tools - Spark Plug Tools - Compression Whistle Alert
 
COMPRESSION WHISTLE ALERT
 

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No more burning your fingers and hands! Just Listen! Insert Whistle Alert™ into any 14mm spark plug hole and bump the engine until you hear the whistle. You are now on the compression stroke!
 
  • Easily find Top Dead Center compression stoke
  • Turn engine over from inside the car and listen for the whistle.
  • Made of steel and aluminum
  • Made and assembled in the USA.
Description Part No. Price Buy
COMPRESSION TDC WHISTLE ALERT12-01039$15.75
COMPRESSION WHISTLE ALERT FLEX12-01041$12.65