Edelbrock 303011 Supercharger & Cam Power Package for 1998-2007 GM LS1 LS2 Cathedral Port 4.8L 5.3L 6.0LAn Edelbrock Supercharger Kit and COMP Cams Cam Kit is the perfect pairing for performance enthusiasts looking for 850+ HP potential from their GM LS1 LS2 Cathedral Port 4. 8L 6. 0L 1998 2007 engines. The FAST Supercharger & Cam Power Package includes a pump gas friendly supercharger pulley for engine break in, initial tuning and general performance driving, while a smaller pulley is included for when maximum power is desired on race fuel or E85. The