Earls PCV Breathers - Set of 2 Pieces - 3434116ERL cat-back-exhaust 8 V8 1991 Ford F-350

8 V8 1991 Ford F-350 Custom 460/7

1967-1969 Dodge Dart 383 CID

Increases of up to 7 HP and 7 FT/LB over the stock exhaust

7L V8 1959 - 1966 Ford Fairlane   352/5

Earls PCV Breathers - Set of 2 Pieces - 3434116ERL cat-back-exhaust 8 V8 1991 Ford F-350Overview: PCV BreatherMachined from 6061 T6 Billet aluminum, the PCV Breather matches Earl's breather in appearance. The difference is the PCV Valve hidden inside. These breathers are available with either 3 8" slip on hose connection or #6 AN hose end. Now you can eliminate that unsightly PCV valve. Features: 6061 T6 Billet Aluminum PCV Valve Hidden Inside Eliminate Unsightly Valve Including Rubber Grommet Use Push In Twist In Breather Breather