New from Proform – the Engine Crankshaft Turning Nut and Bolt Combo. This kit allows you to turn the engine in either direction using a large-diameter socket without removing the harmonic balancer. See more details below.

Official Release:

Engine builders can appreciate the heavy-duty, black oxide steel crankshaft turning nut and bolt assembly. This tool/part combo installs into the engine crankshaft to keep harmonic balancer secured. It also allows you to turn the engine in either direction using a large-diameter socket without the hassle of removing the harmonic balancer, finding your turning nut or socket, and then turning the engine.

• Chevy SB Crankshaft Turning Nut and Bolt – P/N 67426
• Chevy BB Crankshaft Turning Nut and Bolt – P/N 67427

Features:

• Heavy-duty black oxide steel
• Installs into the engine crankshaft to keep harmonic balancer secured
• Allows you to turn the engine in either direction