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Valve Cover Breathers

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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.

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Moroso One-Piece Push-In Valve Cover Breathers 68781

Moroso One-Piece Push-In Valve Cover Breathers 68781

Moroso One-Piece Push-In Valve Cover Breathers 68781

Valve Cover Breather, Push-In, Round, Steel, Chrome, Plain, Each

Part Number: MOR-68781

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Moroso One-Piece Push-In Valve Cover Breathers 68741

Moroso One-Piece Push-In Valve Cover Breathers 68741

Moroso One-Piece Push-In Valve Cover Breathers 68741

Valve Cover Breather, Push-In, Round, Steel, Chrome, Moroso Logo, Each

Part Number: MOR-68741

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Moroso One-Piece Push-In Valve Cover Breathers 68719

Moroso One-Piece Push-In Valve Cover Breathers 68719

Moroso One-Piece Push-In Valve Cover Breathers 68719

Valve Cover Breathers, Push-In, Round, Aluminum, Black, Moroso Logo, Pair

Part Number: MOR-68719

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Moroso One-Piece Push-In Valve Cover Breathers 68718

Moroso One-Piece Push-In Valve Cover Breathers 68718

Moroso One-Piece Push-In Valve Cover Breathers 68718

Valve Cover Breathers, Push-In, Round, Aluminum, Red, Moroso Logo, Pair

Part Number: MOR-68718

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Moroso One-Piece Push-In Valve Cover Breathers 68717

Moroso One-Piece Push-In Valve Cover Breathers 68717

Moroso One-Piece Push-In Valve Cover Breathers 68717

Valve Cover Breathers, Push-In, Round, Aluminum, Blue, Moroso Logo, Pair

Part Number: MOR-68717

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Moroso One-Piece Push-In Valve Cover Breathers 68740

Moroso One-Piece Push-In Valve Cover Breathers 68740

Moroso One-Piece Push-In Valve Cover Breathers 68740

Valve Cover Breathers, Push-In, Round, Steel, Chrome, Moroso Logo, Pair

Part Number: MOR-68740

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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