Crank Pulley Mandrel

The Crank Pulley Mandrel from Allstar Performance is a precision engine building tool designed for automotive technicians and serious engine builders who require accurate crankshaft pulley installation and removal. This mandrel serves as an essential support device when working with crankshaft pulleys, ensuring proper alignment and protection of critical engine components during maintenance, rebuilding, or pulley replacement operations. Whether you're performing routine service or executing a complete engine overhaul, this tool delivers the reliability demanded by professional shops and dedicated enthusiasts alike.

Engineered from aluminum and finished in durable black anodized coating, the Crank Pulley Mandrel features a 3-inch mandrel length that accommodates standard crankshaft applications. The anodized aluminum construction provides corrosion resistance and extended service life while remaining lightweight enough for repeated use without fatigue. The precision-engineered design ensures proper support and alignment of the crankshaft pulley, preventing damage to delicate crankshaft threads and reducing the risk of installation errors that could compromise engine performance or longevity.

This mandrel is indispensable for engine builders, transmission shops, and automotive repair facilities working on small-block and mid-sized engine platforms. Installation is straightforward—the mandrel mounts directly onto the crankshaft to provide stable support when removing or installing pulleys with appropriate tools. At just 0.75 pounds, the tool is portable and stores easily in any professional or home workshop. The compact dimensions make it suitable for various engine bay configurations, earning it a place in the toolkit of anyone serious about proper crankshaft pulley service and maintenance.