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Proform Piston Stop Tools

4.09 out of 5 stars 32 Customer Reviews

Proform piston stop tools are designed to stop the piston in order to find top dead center. They thread into the spark plug hole for accurate use. These economical stops are available in different styles for various vehicle make applications.

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Proform Piston Stop Tools 66792

Piston Stop, Top Dead Center Stop, Cylinder Heads On, Spark Plug Style, 14mm, Adjustable Depth, Chevy, Kit

Part Number: PRO-66792

4.15 out of 5 stars ( 26 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Proform Piston Stop Tools 67581

Piston Stop, Top Dead Center Stop, Cylinder Heads On, Spark Plug Style, Adjustable Depth, Mopar, Kit

Part Number: PRO-67581

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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