The Edelbrock billet aluminum breather (part #4406) is a round push-in breather that fits standard 1.250" valve cover holes and houses an internal PCV with a 90° port for hose attachment. It measures about 2.50" at the base and 2.49" overall, and is finished with a black powder coat. It provides crankcase ventilation while maintaining a clean, finished look under the hood.
Edelbrock PCV for Valve Cover Aluminum Round Push In w/ 90-Degree Port Breather Look