COMP Cams Top Dead Center Stop Tool- 18mm Bolt Style 355008 585" ID that works well

585" ID that works well with our 985

FeaturesTests flooded

Fuel Pump Bolts"

1975-1992 Oldsmobile Custom Cruiser

100-300 Degree F

COMP Cams Top Dead Center Stop Tool- 18mm Bolt Style 355008 585" ID that works wellCOMP Cams Top Dead Center Stops are designed to positively stop the piston in order to find top dead center. The bolt style screws into the spark plug hole, while our universal plate type bolts across any cylinder bore when the heads are off. Designed for heads on applications, this piston stop features 18mm thread for use in Big Block Ford engines. Positively stop piston in order to find Top Dead Center (TDC); Bolt style screws into spark plug hole