Professional Products 81013 Crankshaft Pulley Spacer for Mopar 426 Hemi

The Professional Products 81013 crankshaft pulley spacer is designed to adapt compatible 80013 and 90013 pulley applications for use with Mopar 426 Hemi engines. This precision-fit component helps establish the correct pulley position for proper accessory alignment and dependable belt operation. It is intended for use with 6-bolt pulleys and provides a practical solution for engine builds requiring additional crankshaft pulley spacing.
Constructed from lightweight aluminum with a natural finish, the spacer combines durability with corrosion resistance for reliable service in performance and restoration applications. Its 0.512-inch thickness provides the required offset while maintaining a clean, installation-ready profile. The design is suitable for professional engine assembly, custom builds, and replacement installations where accurate pulley placement is essential.
The Professional Products 81013 is supplied as one crankshaft pulley spacer. Verify pulley compatibility, crankshaft configuration, and accessory alignment before installation. Proper installation should include confirming fastener engagement, pulley runout, and belt tracking according to the engine and pulley manufacturer’s specifications. This spacer is intended for Mopar 426 Hemi applications using compatible Professional Products pulley components.

Features:

• Brand: Professional Products

• Part Number: 81013

• Application: Mopar 426 Hemi engines

• Component Type: Crankshaft pulley spacer

• Compatibility: Adapts 80013 and 90013 pulley applications to a 426 Hemi

• Pulley Configuration: Designed for 6-bolt pulleys

• Thickness: 0.512 inches

• Material: Aluminum

• Finish: Natural

• Quantity: Sold individually