Air Filtration / Breathers & Adapters

Black Clamp On Breather2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1" (25.4mm) Flange Inside DiameterAF2271-13702271-1370Aeroflow Air Filters are design...

Breather Adapters -10ANPress in for Nissan Valve Covers with non-threaded hole, Black finishAF708-10-01BLK708-10-01BLKPress In Nissan Breather Adap...

Black Clamp On Breather2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19mm) Flange Inside DiameterAF2271-13602271-1360Aeroflow Air Filters are design...

Black Push In Breather3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommetAF2271-11702271-1170Aeroflow Air Filters are designed wit...

Valve Cover Grommet1-1/4" O.D With 3/4" I.D Suit PCV ValvesAF1859-10011859-1001Rubber grommet with 3/4" I.D. to suit valve covers with 1-1/4" hole....

Valve Cover Grommet1-1/4" O.D With 1" I.D Suit Push In BreathersAF1859-10001859-1000Rubber grommet with 1" I.D. to suit valve covers with 1-1/4" ho...

Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D)Suit BA-FG Ford FalconAF708-08RBLK708-08RBLKPress In Ford Breather Adapter. Aeroflo...

Chrome Clamp On Breather3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Inside DiameterAF2871-13902871-1390Aeroflow Air Filters ar...

Black Clamp On Breather3" (76.2mm) O.D. x 2-1/4" (57mm) High, 1" (25.4mm) Flange Inside DiameterAF2271-14202271-1420Aeroflow Air Filters are design...

Black Valve cover BreatherPush In, No SpoutAF1822-70001822-7000Aeroflow's huge range of breathers and crankcase filters are designed to provide sup...

Signature Series Valve Cover BreathersRound Breather Black FinishED44034403Push-on style valve cover breathers contain an effective filter which tr...

K&N Push-On Vent Filter 3 OD x 2-1/2 HFits 1-1/4" (32mm) Hole - KN62-1516KN62-151662-1516K&N crankcase vent filters are designed for racing...

Circle Track Valve Cover BreathersPush-on styleED44204420Chromed and stamped with the Edelbrock name, these breathers are designed for high-rpm, hi...

Signature Series Valve Cover BreathersRound Breather Chrome FinishED44054405Push-on style valve cover breathers contain an effective filter which t...

Bolt In Breather Bulkhead -10Silver FinishAF777-10S777-10SBulkhead style vented nut and bolt for use on rocker covers, designed for use with AF77-2...

Breather Adapters -10ANPress in for Nissan Valve Covers with non-threaded hole, Silver finishAF708-10-01S708-10-01SPress In Nissan Breather Adapter...

Press In Front Valve Cover Breather Adapter -8AN Black (20mm O.D)Suit BA-FG Ford FalconAF708-08FBLK708-08FBLKPress In Ford Breather Adapter. Aerofl...

Black Push In Breather With Black Shield3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.7mm)Flange Inside DiameterAF2271-15162271-1516Aeroflow ...

Black Clamp On Breather3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Inside DiameterAF2271-13902271-1390Aeroflow Air Filters are...

Black Clamp On Breather2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (16mm) Flange Inside DiameterAF2271-13402271-1340Aeroflow Air Filters are design...

Nostalgic Polished Billet Aluminium Breather, Finned StyleFits Valve Covers with 1.25" HolesRPCR6505CR6505Polished aluminium oval push-in breather ...

K&N Push-In Vent Filter 2 OD x 1-1/2 HWith 1/2" (13mm) Tube - KN62-1010KN62-101062-1010K&N Steel Base Crankcase Vent Filters have a one pie...

GM style Oil Fill Tube with BreatherChrome finishED48034803Oil Fill Tube and matching push-in Breather is an original style for vintage manifolds w...

Signature Series Valve Cover BreathersRound Breather with 90° nipple, Black FinishED44134413Push-on style valve cover breathers contain an effectiv...