This COMP Cams BBC intake valve listing indicates a 2.250" head diameter with 11/32" stem size intended for big-block Chevy intake use. The valve serves the basic function of regulating intake airflow and is offered for street and competition valve trains. As a catalog-style listing with minimal extended detail, it should be matched to compatible heads, springs and retainers for proper installation and operation.
COMP Cams Ss Valve BBC Int 2.250in 11/32