Part number 20950 is a billet-aluminum oval breather designed for valve covers with a 1¼″ diameter opening. It features a ribbed, ball-milled top and a push-in design sealed with a positive O-ring. The twin-piece construction allows for easy filter access and maintenance. A 3⁄8″ hose barb fitting enables PCV or catch-can routing, while the polished finish and billet construction provide both form and function in performance engine bays.

• Application: 1¼″ valve-cover hole
• Material: 6061-T6 billet aluminum
• Design: Oval with ribbed, ball-milled top
• Seal: O-ring in push-in two-piece assembly
• Outlet: 3⁄8″ hose barb for PCV or catch-can setup
• Serviceable: Filter is washable and replaceable
• Finish: Polished