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Valve Cover Breathers
Blow-by gases can mix with oil vapors in your crankcase, contaminating your oil and creating sludge. Your positive crankcase ventilation (PCV) system gets those gases...
Blow-by gases can mix with oil vapors in your crankcase, contaminating your oil and creating sludge. Your positive crankcase ventilation (PCV) system gets those gases out, recirculating them for combustion. The system may need a source of fresh air, preferably free of dirt and debris—that’s where the valve cover breather comes in!
Top Brands
From plain Jane to shiny and show-ready, Summit Racing Equipment carries an amazing selection of valve cover breathers. Shop from manufacturers like K&N, Proform, Billet Specialties, Cal Custom, Spectre, Moroso, and many more.
Blow-by gases can mix with oil vapors in your crankcase, contaminating your oil and creating sludge. Your positive crankcase ventilation (PCV) system gets those gases out, recirculating them for combustion. The system may need a source of fresh air, preferably free of dirt and debris—that’s where the valve cover breather comes in!
Top Brands
From plain Jane to shiny and show-ready, Summit Racing Equipment carries an amazing selection of valve cover breathers. Shop from manufacturers like K&N, Proform, Billet Specialties, Cal Custom, Spectre, Moroso, and many more.
Showing In Stock Items. Show All 13 Items.
Valve Cover Breathers, Valve Cover Vent Fittings, Round, Screw-in, Plastic, Black Anodized, -12 AN Hole Size, Each
Part Number: HSE-9832-12-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Breather, Angled, Bolt-on, Aluminum, Polished, Offenhauser Logo, 5.75 in. Length, 3.0 in. Height
Part Number: OFY-5410
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Breathers, Weld-In, Clamp-On, Round, Steel/Rubber, Chrome/Black, Moroso Logo, Pair
Part Number: MOR-68800
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Breather, Bolt-On, Rectangular, Aluminum, Polished, Plain, Each
Part Number: OFY-5408
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Breathers, Copo, Push-In, Billet Aluminum, Natural, 3/4 in. Tube, Pair
Part Number: MOR-68864
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Breather, Bolt-on, Aluminum, Polished, 2.0 in. Length, 1.25 in. Height, Each
Part Number: OFY-3661JR
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Breather, Bolt-on, Aluminum, Polished, Offenhauser Logo, 5.75 in. Length, 2.0 in. Height, Each
Part Number: OFY-5409
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Breather, Copo, Push-In, Aluminum, Natural, Pair
Part Number: MOR-68857
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Valve Cover Breather, Angled, Bolt-on, Aluminum, Polished, Offenhauser Logo, 5.75 in. Length, 5.0 in. Height
Part Number: OFY-6156
Not Yet Reviewed
Estimated Ship Date: Aug 24, 2026 if ordered today
Estimated Ship Date: Aug 24, 2026 if ordered today
Valve Cover Breather, Bolt-on, Aluminum, Polished, Oval, Curved, Each
Part Number: OFY-4039
Not Yet Reviewed
Estimated Ship Date: Aug 13, 2026 if ordered today
Estimated Ship Date: Aug 13, 2026 if ordered today
Estimated Ship Date: Today
Valve Cover Breather, Filtered, Round, Screw-in, Chrome Steel Top, Moroso Logo, Each
Part Number: MOR-68841
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Breather, Clamp-On, Round, 1 in. Nipple, Moroso Logo, GM LS Engines, Each
Part Number: MOR-68839
Estimated Ship Date: Today
Estimated Ship Date: Today
