Powermaster both designs and manufactures their own brackets, starter blocks, and other parts in their well-equipped, controlled CNC environment.  With the capability to design the individual components that go into each Powermaster product, you can be assured the product in the box has been thoroughly researched and tested to be of the highest quality.

Powermaster offers lightweight pulleys machined from 6061-T6 billet aluminum and hard coated.  Alternator pulleys have a shaft bore of 17mm to ensure fit on MOST ALL alternators.  Includes a 17mm to 15mm reducer bushing.

The V-Belt Crank pulley's unique design allows it to be used with either SBC or BBC balancers.  Works with OEM and racing balancers and crank triggers.

• Big Block Chevy V-Belt Crank Pulley
• Billet aluminum
• 5.25" outside diameter