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COMP Cams 14mm piston stop bolt is a heads-on piston stop designed to positively locate top dead center (TDC) by threading into the spark plug hole. With a 14x1.25mm thread it suits most engines for degreeing and timing checks when heads remain installed, providing a simple mechanical stop for accurate piston positioning.
COMP Cams Bolt 14MMx1.25 Piston Stop
