Black Anodized Aluminum 9.55" Diameter 22.5% overdrive pulley

This pulley is used in conjunction with the Lingenfelter CTS-V, Camaro ZL1 overdrive harmonic balancer to increase boost by overdriving your supercharger 22%.

This pulley will require the Lingenfelter Idler Relocation Bracket & will require a different length serpentine belt.