The Edelbrock Signature Series Valve Cover is engineered for serviceability and styled for excitement. The O. E. (Original Equipment) style breather baffles prevent excessive oil usage through the PCV valve. The overall height of this valve cover is 2. 8 inch. This cover accepts all emissions equipment, including the PCV valve. The rubber grommets for the breather hole are included. This low profile valve cover clears air-conditioning and alternator brackets. The matching breathers are sold separately.