2.8" LSA Supercharger Modular Pulley System For Chevy Camaro ZL1,Cadillac CTS-V
$139
Once that is done the pulley simply slides on and tightens down with the stainless bolts. This makes for a system that is very easy to switch pulleys. Remove 5 bolts with standard allen wrench tool and you can put on a different size pulley.
