Threaded for compatibility with Chevrolet small block and V6 engines, this crankshaft turning nut facilitates the manual rotation of the engine assembly during service. It installs onto the crankshaft snout to provide a secure point for a wrench, allowing for precise positioning of the rotating assembly for timing or valve adjustments.

Threaded for compatibility with Chevrolet small block and V6 engines, this crankshaft turning nut facilitates the manual rotation of the engine assembly during service. It installs onto the crankshaft snout to provide a secure point for a wrench, allowing for precise positioning of the rotating assembly for timing or valve adjustments.