Billet Pontiac 3.5" Pulley for the 4-Bolt 1" Crank Drive Mandrel

These V Belt Pulleys are designed to be used with any 1" diameter Crank Mandrel that uses a 1/8" Keyway, which is a racing industry standard size. These are one piece pulleys and feature Two - 1/4-20 NC set screws to fix location on the mandrel (sold separately).