COMP Cams XFI AFM GM Gen IV camshafts are designed to work with the VVT (variable valve timing) and AFM (active fuel management) components of GM V8 engines. They deliver outstanding top-end power in modified L99-style applications without sacrificing low-end power when properly programmed. Get an increase in performance with the lobe profile of COMP Cams XFI AFM GM Gen IV camshafts.
COMP Cams XFI AFM GM Gen IV camshafts are designed to work with the VVT (variable valve timing) and AFM (active fuel management) components of GM V8 engines. They deliver outstanding top-end power in modified L99-style applications without sacrificing low-end power when properly programmed. Get an increase in performance with the lobe profile of COMP Cams XFI AFM GM Gen IV camshafts.