This billet aluminum breather features a smooth, round top and is designed to press into a 1¼″ valve-cover hole. Machined from 6061-T6 aluminum with a polished finish, it includes a barbed fitting for a 3/8″ hose, allowing integration with a PCV system or catch can. The two-piece design includes a washable internal filter and seals with a positive O-ring to prevent leaks. Ideal for custom engines where clean styling and proper crankcase ventilation are essential.

• Application: 1¼″ valve-cover hole
• Top style: Plain round
• Material: 6061-T6 billet aluminum
• Finish: Polished
• Seal: O-ring push-in design
• Fitting: 3/8″ hose barb
• Internal: Washable filter element
• Quantity: Sold individually
• Ventilation note: Use one breather and one PCV valve or breather per engine for proper circulation