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COMP Cams Bolt 18X1.5MM Piston Stop

Find top dead center with precision using the COMP Cams Bolt 18X1.5MM Piston Stop. Designed for heads-on applications, this piston stop features an 18mm thread for use in Big Block Ford engines.

This bolt-style piston stop screws into the spark plug hole, providing a positive stop for the piston. With its universal design, it can be used across any cylinder bore when the heads are off.

  • Positively stop piston in order to find Top Dead Center (TDC)
  • Bolt style screws into spark plug hole
  • Universal plate type bolts across any cylinder bore when heads are off

This product has not yet been assigned to any vehicle. We are working to ensure that this changes as soon as possible. Please contact us if you have any questions.

COMP Cams manufactures camshafts and other valvetrain components. Products include everything from valve springs and hardware to pushrods, lifters, and even intake manifolds. COMP Cams’ history of producing high quality parts for everything from street cars to Pro Stock and Sprint Cup teams has proven their place in the market. The same technology used to develop parts for NASCAR and NHRA is used in all of their performance parts, down to the very basic street setup.
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