For SBC 602 & 604 Crate Engines.WP Pulley includes V-Groove for an Altenator
For SBC 602 & 604 Crate EnginesKit includes pulleys, belt, and bracket only.
1/2" ThickFor Small Block Chevy applications.
1/4" ThickFor Small Block Chevy applications.
3/8" ThickFor Small Block Chevy applications.