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Compression Tdc Whistle Alert

Compression Tdc Whistle Alert

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!

Dimensions: .87X.87X10

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$28.89 - $28.89
$28.89
$28.89 - $28.89
$28.89
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