Valve Cover Breathers

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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!

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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.

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Results 1 - 25 of 27

Proform Air Breather Caps for Chevrolet 141-614

Valve Cover Breather, Round, Push-in, Steel, Black Crinkle Top, Bowtie Emblem, Chevy, Each

Part Number: PRO-141-614

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

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Proform Air Breather Caps for Chevrolet 141-616

Valve Cover Breather, Push-In, Round, Steel, Chrome, Bowtie Emblem, Each

Part Number: PRO-141-616

4.81 out of 5 stars ( 31 )

Estimated Ship Date: Tomorrow

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Proform Slant Edge Aluminum Breather Caps 141-861

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Black, Red Bowtie Emblem, 2.500 in. Diameter, 1.220 in. Hole Size, Each

Part Number: PRO-141-861

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Proform Air Breather Caps for Chevrolet 141-754

Valve Cover Breather, Push-In, Round, Steel, Black Crinkle, Bowtie Emblem, Each

Part Number: PRO-141-754

4.86 out of 5 stars ( 37 )

Estimated Ship Date: Tomorrow

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Proform Slant Edge Aluminum Breather Caps 141-858

Breather, Push-in, Aluminum, Black Textured, Bowtie Logo, Each

Part Number: PRO-141-858

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Slant Edge Aluminum Breather Caps 141-862

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Black, 2.500 in. Diameter, 1.220 in. Hole Size, Each

Part Number: PRO-141-862

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Proform Slant Edge Aluminum Breather Caps 141-853

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Chrome, Red Bowtie Emblem, 2.500 in. Diameter, 1.220 in. Hole Size, Each

Part Number: PRO-141-853

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Proform Slant Edge Aluminum Breather Caps 141-849

Breather, Push-in, Aluminum, Gloss Black, Bowtie Logo, Each

Part Number: PRO-141-849

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Proform Valve Cover Breathers 141-786

Valve Cover Breather, Round, Push-in, Steel, Orange Powdercoated, Bowtie Emblem, 3 in. Diameter, Each

Part Number: PRO-141-786

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Slant Edge Aluminum Breather Caps 141-859

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Chevy Orange, Bowtie Emblem, 2.500 in. Diameter, 1.220 in. Hole Size, Each

Part Number: PRO-141-859

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Proform Slant Edge Aluminum Breather Caps 141-850

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Polished, 2.500 in. Diameter, 1.220 in. Hole Size, Each

Part Number: PRO-141-850

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Proform Slant Edge Aluminum Breather Caps 141-857

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Polished, Recessed Black Field Bowtie Emblem, 2.500 in. Diameter, 1.220 in. Hole Size, Each

Part Number: PRO-141-857

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Proform Air Breather Caps for Chevrolet 141-613

Valve Cover Breather, Round, Push-in, Steel, Black Crinkle Top, Bowtie Emblem, 1.25 in. Hole Size, Chevy, Each

Part Number: PRO-141-613

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Slant Edge Aluminum Breather Caps 141-855

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Polished, Red Bowtie Emblem, 2.500 in. Diameter, 1.220 in. Hole Size, Each

Part Number: PRO-141-855

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Proform Air Breather Caps for Chevrolet 141-621

Valve Cover Breather, Push-In, Round, Steel, Chrome, Bowtie Emblem, Each

Part Number: PRO-141-621

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Slant Edge Aluminum Breather Caps 141-852

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Polished, 2.500 in. Diameter, 1.220 in. Hole Size, Black Bowtie, Each

Part Number: PRO-141-852

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Proform Air Breather Caps for Chevrolet 141-622

Valve Cover Breather, Push-In, Round, Steel, Chrome, Bowtie Emblem, Each

Part Number: PRO-141-622

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Air Breather Caps for Chevrolet 141-617

Valve Cover Breather, Push-On, Round, Steel, Chrome, Bowtie Emblem, Each

Part Number: PRO-141-617

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Air Breather Caps for Chevrolet 141-884

Valve Cover Breather, Push-In, Round, Steel, Shark Gray, Bowtie Emblem, Each

Part Number: PRO-141-884

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Slant Edge Aluminum Breather Caps 141-860

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Gray, Bowtie Emblem, 2.500 in. Diameter, 1.220 in. Hole Size, Each

Part Number: PRO-141-860

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Slant Edge Aluminum Breather Caps 141-856

Breather, Push-in, Aluminum, Chrome, Bowtie Logo, Each

Part Number: PRO-141-856

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Slant Edge Aluminum Breather Caps 141-854

Valve Cover Breather, Slant Edge Aluminum, Push-in, Round, Polished, Black Bowtie Emblem, 2.500 in. Diameter, 1.220 in. Hole Size, Each

Part Number: PRO-141-854

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Air Breather Caps for Chevrolet 141-625

Valve Cover Breather, Clamp-On, Round, Steel/Rubber, Chrome/Black, Bowtie Emblem, Each

Part Number: PRO-141-625

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Proform Air Breather Caps for Chevrolet 141-619

Valve Cover Breather, Push-On, Rectangular, Steel, Chrome, Bowtie Emblem, Each

Part Number: PRO-141-619

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

Proform Air Breather Caps for Chevrolet 141-618

Valve Cover Breather, Twist-On, Round, Steel, Chrome, Bowtie Emblem, Each

Part Number: PRO-141-618

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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