Lingenfelter L220170709 - Cadillac CTS-V Camaro ZL1 18% Overdrive Balancer Pulley 2009-2015

Black Anodized Aluminum 9.17" Diameter 18% 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 18%. This pulley will require a different length serpentine belt & or idler diameter change. The L220636509 idler relocation bracket is required to install the 18% balancer pulley. **For Pulley Combinations and Belt Sizes, check the documents tab!**