- Designed with a positive O-ring seal
- Billet Specialties breathers are precision machined in the USA from 6061-T6 billet aluminum
- Available for 1-1/4” diameter valve cover holes
Breathers are easily maintained with a washable filter element, while the PCV breather features a common replaceable PCV valve with a barbed fitting for 3/8” hose. Available for 1-1/4” diameter valve cover holes. Valve covers should be run with one breather and one PCV valve or PCV breather for proper air circulation.